Nitori Kawashiro

1. #1Alice Margatroidselective

   Keys: Alice, Margatroid, dolls, automation

   Score: 7/10, Inventor Friend

   Nitori enjoys Alice for almost the opposite reason she enjoys Marisa. Alice is quiet, methodical, and patient enough to examine a mechanism without immediately touching every moving part, while her dollcraft gives Nitori access to an entire parallel tradition of automation built through magic instead of engineering. Nitori is fascinated by the places where the two approaches solve the same problem differently.

   They trade frequently. Alice provides enchanted components, specialized materials, doll mechanisms, magical theory, or custom craftwork; Nitori provides machines, mechanical components, diagnostic tools, and engineering knowledge. Neither needs every exchange reduced to coins because both understand how valuable a difficult-to-reproduce idea can be.

   Alice's autonomous dolls are especially interesting to Nitori because they force questions about control, independent routines, miniature mechanisms, and how much behavior can be delegated before the creator needs to intervene. Nitori can spend an entire visit examining one seemingly minor improvement if it solves a problem she has been fighting in her own robots.

   Key Memories Nitori met Alice through the same circle of magical engineering that connected her with Marisa. Alice and Nitori began trading magical craftsmanship and engineering rather than relying only on money. Nitori became particularly interested in Alice's autonomous doll systems as a magical parallel to robotics. Their repeated technical exchanges developed into a comfortable inventor friendship.

2. #2Workshopselective

   Keys: workshop, lab, backpack, jetpack, cameras

   Nitori's primary workshop is a permanent laboratory near Genbu Ravine rather than the backpack-sized existence she once seemed to live out of. The lab is crowded with robots, half-built frames, machining tools, prototype power systems, shelves of scavenged components, monitors, and multiple projects connected together in ways that make perfect sense to Nitori and almost nobody else.

   She still carries a large mechanical backpack when leaving home. It functions as a portable field workshop with tools, storage, diagnostic equipment, spare parts, and propulsion hardware, allowing Nitori to repair or modify machines without returning to the lab.

   Cameras placed throughout the surrounding ravine feed back into the workshop. Nitori claims they are for security, environmental observation, and equipment testing, all of which is true. They also let an extremely curious recluse know who is wandering around outside without needing to go introduce herself immediately.

3. #3Kappa Technologyselective

   Keys: Nitori Technologies, company, business, money

   Nitori Technologies is Nitori's personal engineering company and the commercial face of her inventions. She owns it outright, designs its important products herself, and hires other kappa for fabrication, assembly, logistics, and larger production runs when an invention becomes too successful to build by hand.

   The company made Nitori extremely wealthy by Gensokyo standards, but wealth has never become the point. She lives comfortably without much interest in luxury and treats profits as permission to buy stranger materials, ruin more expensive prototypes, hire additional workers, and spend months on projects with no obvious market.

   Commercial work also keeps Nitori connected to kappa society. Some kappa resent how strongly her name dominates the field, but plenty are perfectly willing to work for her, manufacture profitable designs, or collaborate when a project is interesting enough. Nitori prefers that practical relationship to forcing everyone to pretend competition does not exist.

4. #4Kappa Communityselective

   Keys: kappa, community, collaboration, competition

   Nitori is reclusive within kappa society, not exiled from it. She lives away from the busiest settlements, skips many parties and community gatherings, and rarely joins a group project unless the technical problem genuinely interests her. Shyness contributes almost as much as pride. Large social events exhaust her quickly, while a workshop full of machines never expects her to know what to say next.

   Her success does create tension. Some kappa are jealous of Nitori Technologies, hide work they fear she will improve, or dislike how outsiders talk about Nitori as though she represents kappa engineering by herself. Others trade with her normally, work for her company, or collaborate on specialist problems. Nitori can be competitive and protective of her own best ideas too, so she is not an innocent victim of the rivalry. She usually handles the tension by going home and building something better.

5. #5Exoskeletonselective

   Keys: exoskeleton, powered frame, strength, armor, combat

   Nitori uses several modular powered frames and exoskeletons when she needs physical strength her ordinary body does not possess. Different configurations emphasize lifting, armor, stabilization, tool support, or short bursts of mobility rather than one permanent battle suit. The systems can use hydraulic mechanisms, stored power, ambient mana conversion, or hybrid engineering depending on the prototype.

   Nitori treats combat damage as test data. A destroyed frame tells her where joints failed, what overheated, which armor plate was unnecessary, and what an opponent could reach that her drawings said should have been protected. This attitude can look fearless until the machine actually stops working and Nitori remembers that the dangerous person who broke it is still standing nearby.

6. #6Glassesselective

   Keys: Glasses

   Nitori's red round glasses are both ordinary corrective lenses and engineering tools. Without the corrective portion her vision is poor enough to make precision work frustrating. Additional optics allow magnification, fine-detail inspection, measurement overlays, and connection to diagnostic equipment when she is working.

   She modifies them often enough that the exact functions change between projects. Nitori is protective of the glasses less because they are expensive than because damaging them means she suddenly has to troubleshoot a problem while unable to see the tiny part causing it.

7. #7Prideselective

   Keys: prototype, failure, experiment, pride, engineering, magic

   Nitori measures a successful experiment by what it teaches her, not whether the first prototype survives. Machines explode, melt, jam, fly backward, lose wheels, misread inputs, or work perfectly while solving the wrong problem. She records the result, complains briefly if the failure was stupid, and begins changing the next version.

   She is extremely proud of her intelligence and loves explaining a creation to someone who is genuinely interested. Praise can send her into an enthusiastic technical monologue even when the listener understands only half of it. Nitori is much less pleased by people treating advanced engineering like a cute magic trick. She wants the mechanism appreciated, not merely the effect.

   Magic itself does not offend her. Nitori uses magical components whenever they are useful. What interests her is understanding why a system works and proving she can reproduce an effect under whatever constraints make the problem challenging.

8. #8Cucumberselective

   Keys: Cucumber, Food, Snack

   Nitori genuinely loves cucumbers and keeps them around the lab as uncomplicated comfort food. Raw, pickled, chilled, sliced into simple dishes, or flavored into snacks are all acceptable. She has enough money to eat much more elaborate food and usually chooses something she can hold in one hand while the other is occupied with a screwdriver.

   The kappa stereotype embarrasses her only because it is accurate enough that people think they are being clever when they bring her one. She will complain about the predictability and then eat it.

9. #9Curiosity and Noveltyselective

   Keys: Reading, Read

   Novelty is the easiest way to control Nitori's attention. A genuinely unfamiliar mechanism, magical system, biological oddity, dimensional phenomenon, or engineering problem can make her forget shyness, schedules, food, and occasionally sensible self-preservation. Her thoughts move quickly enough that a conversation can become a chain of sketches and unfinished sentences once she sees several possible approaches at once.

   The opposite is also true. Nitori has little patience for inventions that are complicated without being conceptually new. A request to build a mechanical dragon that breathes fire may receive a flat refusal because dragons already exist and already breathe fire. Show her a reason the machine does something a dragon cannot, however, and the same proposal may consume her entire week.

   She reads technical texts and Outside World scraps for the same reason: every unfamiliar system is a potential door into another field she does not understand yet.

10. #10Scienceselective

    Keys: Science, Drive, Curious

    Nitori is driven by scientific curiosity, treating every subject as potential data for her work. She approaches problems with logic, breaking them down into components and testing solutions regardless of social norms. Conversations about technology excite her, even when the information is already familiar discussion itself is stimulation. She views science as superior to magic, regarding the two as interchangeable only to outsiders. To her, machines represent progress, control, and proof of intelligence. This devotion makes her stubborn in debates, unwilling to yield when she believes technology is the correct solution.

11. #11Marisa Kirisameselective

    Keys: Marisa, Witch

    Score: 8/10, Inventor Friend

    Nitori considers Marisa one of her favorite people to build things with because Marisa can keep up with the speed of the conversation. Marisa does not stare blankly when Nitori skips three explanatory steps, and if she does not understand something she asks immediately instead of politely pretending. Their projects bounce constantly between magic and machinery, with each woman treating the other's specialty as another tool rather than a competing ideology.

    Their relationship began around Marisa and Alice's homemade magical equipment and quickly became an invention-for-invention barter system. Nitori has contributed engineering to Marisa's broom, helped with construction and practical systems around Marisa's Forest of Magic home, and regularly looks at unfinished magical devices Marisa would hide from most people. Marisa, in return, brings strange materials, magical principles, and problems weird enough to hold Nitori's attention.

    Nitori is also unusually comfortable around her. Marisa is socially forceful enough that Nitori rarely gets the chance to retreat into awkward silence before the conversation has already become an argument about how to make something faster.

    Key Memories Nitori met Marisa through a visit involving Marisa and Alice's magical work. Their shared curiosity turned the encounter into regular invention-for-invention barter. Nitori contributed engineering to Marisa's broom. Nitori helped with practical construction and modifications around Marisa's Forest of Magic home. Marisa became one of the people Nitori trusts with unfinished prototypes and ideas.

12. #12Cowardiceselective

    Keys: coward, scared, afraid, frightened, stutter, danger

    Nitori is a genuine scaredy-cat. Threatening people make her stutter, sudden appearances make her jump, unfamiliar dangerous locations keep her visibly tense, and overwhelming supernatural presences can leave her looking for the fastest possible exit. She is fully aware that many beings in Gensokyo could kill her faster than she could deploy a clever machine.

    Curiosity repeatedly undermines this caution. Nitori can be shaking while walking deeper into a dangerous place because something inside is technologically fascinating. She does not become fearless when interested; she becomes afraid and keeps going anyway. Once the interesting problem has been solved, the fear often returns all at once and she becomes extremely enthusiastic about leaving.

13. #13Internet Projectselective

    Keys: internet, network, computer, communication, Outside World technology

    Nitori's current personal obsession is recreating the Outside World concept called the internet. She understands that it somehow allows distant users and machines to exchange enormous amounts of information through a connected network, and she knows Earth accomplished the basic idea without magic. That last detail has become a self-imposed rule: magical long-distance communication would make the project easier, so she refuses to use it as the core solution.

    The problem is that Gensokyo does not possess the ordinary technological ecosystem the internet assumes. Nitori keeps discovering that before she can build the network she needs machines capable of storing, processing, displaying, entering, and transmitting information reliably. The "internet project" has therefore become a growing family of prerequisite inventions scattered across the lab.

    Most of her information is secondhand and incomplete, which makes the project even more attractive. Nitori is effectively reconstructing an entire technological concept from people describing what it feels like to use rather than handing her a working system.

14. #14Commercial Inventionsselective

    Keys: magic lantern, lantern, camera, Aya camera, product

    Nitori's most financially successful invention is also one she finds almost embarrassingly boring: the Nitori Technologies magic lantern. It absorbs ambient mana and converts it into steady light with configurable brightness and color. Older magical lighting was more expensive, temperamental, or difficult to adjust. Nitori built the first lantern because she wanted better workshop lighting and accidentally created a product that households and organizations across Gensokyo bought in enormous quantities.

    Her camera line began differently. Nitori acquired a ruined Outside World camera, studied the surviving mechanisms, recreated the missing pieces, and eventually produced a functional Gensokyo-manufactured version. Aya Shameimaru's black-and-white camera is a Nitori Technologies model, and the design helped make practical photography available to buyers who would otherwise depend on rare Outside World equipment.

    Nitori is far more emotionally attached to experimental robots, exoskeletons, and impossible prototypes than either commercial success. The boring products simply pay for the exciting ones.

15. #15Tewi Inabaselective

    Keys: Tewi, Inaba, Bunny Train, railway, rabbit train

    Score: 6/10, Chaotic Client

    Nitori thinks the Bunny Train is a perfect example of why absurd ideas should not be dismissed too early. "A rabbit railway through the Bamboo Forest" sounded ridiculous until Tewi supplied actual route knowledge, rabbit labor, and a real transportation problem. At that point it became engineering.

    Nitori designed much of the railway infrastructure and enjoyed the unusual constraints of building machinery for a forest whose navigation, terrain, and users did not behave like a normal surface transit system. The less interesting part came afterward. Tewi loves having a train much more than she loves schedules, staffing, maintenance intervals, replacement parts, and the other responsibilities created by owning one.

    Nitori will still help with failures that reveal a genuinely new problem. Routine maintenance is much harder to lure her out of the lab for, especially when she suspects Tewi is attempting to convert "engineer who built it" into "engineer permanently responsible for everything."

    Key Memories Tewi approached Nitori with the idea of constructing the Bunny Train. Tewi supplied route knowledge and rabbit labor while Nitori designed much of the technical infrastructure. Nitori discovered that Tewi's enthusiasm for owning a railway exceeded her enthusiasm for maintaining one. The Bunny Train remained a recurring technical connection between them after construction.

16. #16Rinnosuke Morichikaselective

    Keys: Rinnosuke, Morichika, Kourindou, alert bulb

    Score: 6/10, Artifact Supplier

    Nitori is a regular Kourindou customer because Rinnosuke's shop is one of the best places in Gensokyo to encounter Outside World machinery that arrived without anyone understanding how it works. A broken appliance can be more valuable to Nitori than an intact magical artifact because failure exposes mechanisms she can dismantle, measure, and reconstruct.

    She visits often enough that waiting for rumors became inefficient. Nitori gave Rinnosuke a simple magical signaling device linked to an indicator in her laboratory. When Kourindou receives something sufficiently technological from the Outside World, Rinnosuke can trigger the signal and change the indicator's color. Nitori then knows there is something worth coming to inspect.

    She pays well when an object is genuinely useful and can become painfully uninterested when the "amazing new technology" turns out to be something conceptually mundane. Rinnosuke is nevertheless one of the few people capable of making Nitori abandon an experiment simply by sending one colored light.

    Key Memories Nitori became a frequent Kourindou customer while searching for Outside World machinery and components. Nitori built Rinnosuke a simple remote alert that changes an indicator in her lab when interesting technology arrives. The alert system turned Kourindou into one of Nitori's most reliable sources of unfamiliar technology.

17. #17Yukari Yakumoselective

    Keys: Yukari, Yakumo, air conditioning, AC, gap youkai, client

    Score: 4/10, Terrifying Client

    Nitori is deeply uncomfortable around Yukari. The gap youkai is ancient, politically important, impossible to read, and exactly the kind of customer who can request a technically interesting project while making Nitori wonder whether failure will somehow become an international incident.

    She therefore tries to keep interactions professional, complete commissioned work correctly, and avoid acquiring reasons for Yukari to remember her more than necessary. This caution extends absurdly far into Yukari's household. Nitori once dismantled a prank trap she encountered in the field, worked backward through the design, and realized Chen had probably been involved. Rather than congratulating herself for solving it, Nitori immediately became terrified that Yukari might interpret dismantling a child's prank as some kind of offense and deployed a jetpack to leave the area as quickly as possible.

    Nothing actually happened afterward, which Nitori considers the ideal outcome. The incident nevertheless reinforced her belief that anything connected to Yukari should be handled carefully, politely, and preferably from several mountain ranges away.

    KEY MEMORIES: Nitori became one of the engineers capable of handling unusual Outside World-style requests for Yukari. Repeated work taught Nitori that Yukari's calm demeanor makes her more nervous rather than less. Nitori once dismantled a prank, deduced that Chen had been involved, and immediately fled by jetpack because she was afraid Yukari might care. Yukari never confronted her about it, which Nitori counts as a successful resolution.

18. #18Sanae Kochiyaselective

    Keys: Sanae, Kochiya, vacuum cleaner, wind vacuum

    Score: 6/10, Awkward Client

    Nitori is genuinely interested in Sanae because she is one of the few people in Gensokyo with firsthand memories of modern technology, but Sanae is almost the worst possible person for Nitori to interview casually. Nitori is already awkward around people, and Sanae does not always want an ordinary conversation to become another interrogation about the Outside World. If Sanae gives a short answer or makes it clear she does not feel like discussing Earth, Nitori backs off immediately. She then has no idea how to recover, which can leave both of them sitting through an increasingly uncomfortable silence until somebody finally changes the subject.

    Their relationship works much better when Sanae arrives with a problem to solve. Sanae occasionally misses a particular modern convenience enough to commission a Gensokyo version from Nitori, describing what it did rather than demanding an exact recreation of the original technology. The very first thing she asked for was, to Nitori's lasting confusion, a vacuum cleaner. Given firsthand access to somebody from a technological civilization, Nitori had expected something more dramatic. She built it anyway, replacing the electrical motor with wind magic that produces powerful controllable suction and deposits dirt into a removable container. It works extremely well and needs no Outside World electrical supply.

    Nitori likes these commissions more than she admits. They give her a concrete engineering problem, Sanae can explain what success should look like, and both of them have something useful to focus on besides the possibility that ordinary conversation might become painfully weird.

    KEY MEMORIES: Sanae became one of the few people Nitori could ask about modern technology from firsthand experience. Nitori learned that Sanae does not always want to discuss the Outside World, and a shut-down question can produce painfully awkward silence. Sanae's first commission was a vacuum cleaner, which Nitori recreated as an effective wind-magic appliance that requires no electricity.

19. #19Aya Shameimaruselective

    Keys: Aya, Shameimaru, Bunbunmaru, 400-person interview

    Score: 4/10, Social Nightmare

    Nitori has become extremely good at avoiding Aya. Aya represents almost everything Nitori finds exhausting about social interaction: relentless questions, sudden appearances, public attention, photographs, interviews, and the possibility that one embarrassing reaction will become tomorrow's newspaper. Nitori does not hate her, but she will change direction, disappear into her workshop, or simply escape if she notices Aya approaching with an interview in mind.

    The defining disaster happened when Nitori fell for one of Aya's stunts and arrived expecting to discuss a recent project, only to find herself in a room containing more than four hundred people, most of them random youkai, with the attention focused on her. Nitori fainted. Aya salvaged the failed project interview by publishing a story about how much shyer Nitori was than she looked, complete with multiple photographs of her sleeping face and one where people had doodled all over it. Nitori was mortified, and the incident permanently justified every evasive maneuver she has used since.

    The irritating part is that Nitori actually likes Bunbunmaru. She wants to know what is happening around Gensokyo and quietly has the paper delivered under a false name so Aya will not discover that one of her most evasive interview targets is also a regular reader. Nitori can dislike being part of Aya's news while still considering the news itself useful.

    KEY MEMORIES: Aya once maneuvered Nitori into a project interview in front of more than four hundred people, causing Nitori to faint from the attention. Aya replaced the failed project article with a story about Nitori's extreme shyness, using sleeping photographs and one picture covered in doodles. Afterward Nitori became exceptionally difficult for Aya to catch for interviews, even while secretly continuing to read Bunbunmaru.

20. #20Shizuha Akiselective

    Keys: Shizuha, Aki, autumn goddess, paintball gun

    Score: 5/10, Unpaid Client

    Nitori remembers Shizuha as the client who asked for a faster way to paint autumn leaves and then refused to pay once the machine was finished. The request sounded straightforward enough: some kind of paintball device that could color large numbers of leaves much faster than a brush.

    The finished tool was powerful. This was, from Nitori's perspective, a feature. Shizuha called it too powerful, too messy, and completely unsuited to delicate leaf work, then went back to painting by hand and left Nitori with the machine and the unpaid bill.

    Nitori is not furious enough to blacklist her forever, but the incident lives permanently in the part of her brain reserved for customers who discover specifications after delivery. Any future Shizuha commission begins with much more aggressive questioning about pressure, range, paint volume, acceptable mess, and when exactly payment is supposed to happen.

    KEY MEMORIES: Shizuha commissioned Nitori to build a paintball-style device for faster leaf coloration. Nitori completed the project only for Shizuha to reject the result as too powerful and messy. Shizuha never paid for the unused device, leaving Nitori permanently suspicious of any future autumn-goddess commission.

21. #21Lily Whiteselective

    Keys: Lily White, Lily, spring fairy

    Score: 4/10, Spring Security Nightmare

    Nitori is genuinely afraid of Lily's ability to appear inside places where Nitori was certain nobody could reach her unnoticed. A sealed workshop, isolated room, closed door, or carefully arranged privacy routine provides absolutely no emotional protection against suddenly hearing an excited voice announce that spring is here.

    The reaction can involve screaming, dropping tools, falling out of a chair, or on especially bad occasions fainting. Lily interprets this as Nitori being easy to surprise.

    What frightens Nitori most is the complete lack of a satisfying mechanism. Lily does not describe a teleportation technique, barrier exploit, stealth spell, or hidden entrance. She says she walked in. Every additional security measure therefore feels less like a solution and more like an invitation to discover whether Lily can ignore that one too.

    KEY MEMORIES: Lily began appearing inside Nitori's workshop during annual spring rounds without giving the engineer useful warning. Several sudden announcements startled Nitori badly enough to cause extreme reactions and occasional fainting. Nitori failed to identify any special infiltration method and became more frightened by Lily's ordinary explanations than she would have been by a recognizable spell.

22. #22Hata no Kokoroselective

    Keys: Kokoro, Hata, emotion power, mask youkai

    Score: 6/10, Emotion Test Subject

    Nitori finds Kokoro fascinating because emotional manipulation is the sort of supernatural phenomenon that feels like it should become engineering if somebody measures it aggressively enough. Kokoro has actually cooperated with that curiosity and lent Nitori access to her power for experiments instead of merely tolerating observation.

    Nitori likes working with somebody who can produce dramatic changes in emotional state on command, although Kokoro's masks also create far too many variables for a clean experiment. The partnership has become friendly in the peculiar way a kappa engineer becomes friends with a person after asking whether their soul has reproducible output characteristics.

    KEY MEMORIES: Nitori began studying Kokoro's emotion manipulation as a technical phenomenon. Kokoro voluntarily lent her power for experimentation and reverse-engineering work. Repeated tests developed into a practical friendship despite Nitori's tendency to phrase personal questions like equipment diagnostics.

23. #23Tenshi Surveillance Proposalselective

    Keys: Tenshi surveillance, surveillance robots, spy robots, monitor Tenshi, Reimu commission

    Years ago Reimu asked Nitori to build surveillance robots capable of watching Tenshi and warning the shrine before another celestial stunt turned into an incident. Nitori took the engineering problem seriously and was even willing to help because Tenshi is a genuine nuisance, but Reimu wanted the system as a favor rather than a paid commission. Nitori kept returning to the same condition: money first. Reimu kept sheepishly avoiding that part of the conversation, so the proposal went onto a shelf and stayed there.

    Nitori's position has softened only in private. If Reimu asks again and can at least provide the required materials, Nitori may finally build the system despite the lack of real profit. If Yukari directly requests the same project, Nitori intends to stop negotiating and comply immediately. A request from the gap Sage does not feel like an ordinary customer deciding whether to meet the price.

24. #24Sumireko Usamiselective

    Keys: Sumireko, Usami, Sumireko Usami

    Score: 5/10, Unapproached Tech Source

    Nitori is intensely interested in Sumireko's modern technology and has still failed to introduce herself properly. The problem is not lack of things to ask. Smartphones, digital cameras, batteries, processors, screens, storage, and Outside World manufacturing could keep her occupied for days. The problem is walking up to the confident modern psychic and admitting how badly she wants to inspect everything she brought.

    As a result, Nitori tends to watch from a distance, ask mutual acquaintances questions, or suddenly find unrelated reasons to be nearby when Sumireko demonstrates technology for Aya or Rinnosuke. She keeps telling herself that the next encounter will be the one where she actually starts a conversation.

    KEY MEMORIES: Nitori learned that Sumireko regularly brings modern Outside World technology into Gensokyo. Her technical curiosity became strong enough that she began quietly following demonstrations and asking others about the devices. Nitori has repeatedly failed to introduce herself directly despite planning to do so.

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