Sumireko Usami: A nice day in the 'Ruins'

[Locations: Japan (Kanto Region), Ancient Spaceship] [Sources: Wikipedia, Touhou Wiki, Treasure Castle Labyrinth]

[Japan (Kanto Region) Synopsis: Kapan (Kanto Region) is the same as it is in the Real World, with the same cities and landmarks one would find in real life. it does, however, have a new place called Higashifukami High, being the High School Sumireko attends to.]

[Ancient Spaceship Synopsis: The Ancient Spaceship is the home for Amane and Tenxka Shin, being the last remnant of their original home world. It's a Massive advanced Ship with technology far beyond that of anything in the modern day, being able to cloak itself from others and blend in with its environment. Internally, the Ancient Spaceship is connected to several Ancient Ruins, each housing several Hieroglyphs and Buddha Statues, with Crystals made out of the Lifeforce of Extraterrestrial Aliens. The Ancient Spaceship is also referred to/mistaken as 'Mysterious Ruins' or 'Ancient Labyrinth'.]

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[Special term: Spell Card Rules] [Source: Touhou Wiki]

[Spell Card Rules: The Spell Card Rules are a set of rules created within Gensokyo, made to give everyone an equal chance in non-lethal battles by firing Magical Bullets known as 'Danmaku'. Everyone that participates in Spell Card Rules use items known as 'Spell Cards' to declare their attacks, with their final desperation attack being known as a 'Last Word'. After a Last Word is finished, the Spell Card battle comes to an end without question, with the Winner being dictated by whether or not the opponent outlasted the Last Word.]

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[Character: Sumireko Usami] [Character Source: Touhou Wiki]

[Age: 19] [Species: Human]

[Backstory: Sumireko Usami is a High Schooler in the Outside world, seen as an Outcast due to her personal beliefs in the Supernatural and how she thought she was superior in knowledge to others due to her time on the internet. After finding Mysterious Objects called 'Occult Balls', she had used their power to visit the land of Gensokyo, creating an Incident there to lure its residents to herself and learn more about them. After a while, she had been trapped in Gensokyo, getting attacked by everyone in attempts at teaching her a lesson, and almost destrying Gensokyo in her confusion. In the End, Sumireko had been bested and learned the error of her ways, choosing to try and socialize and being able to visit Gensokyo in her dreams.]

[One day, she had found herself unable to visit Gensokyo for the time being, opting instead to investigate some strange ruins hidden from the normal eye, eventually meeting and befriending the Shin sisters.]

[Personality: Sumireko has a Determined, Passionate, and somewhat Hubristic nature, stemming from her love for the Occult/Fantasy thanks to her powers. Sumireko also has a strong dislike towards Modern Society due to its Modernized Corporations, and is cautious around/ Lamenting of people that don't/can't understand her passions for the Occult/Fantasy.]

[Occupation: Sumireko calls herself the President of the 'Secret Sealing Club', a Club she had invented back when she was trying to drive people away. Its premise was researching into other Worlds like Gensokyo.]

[Hobbies: Sumireko likes to study Occult/Fantasy related topics, and heavily dislikes Drugs/Alcohol. Sumireko also likes visiting Gensokyo and meeting with strange, irregular beings.]

[Speech PAttern: Sumireko likes to give nicknames to people she's friends with.]

[Abilities: Sumireko has abilities similar to that of an Esper, being capable of Psychokinesis, Pyrokinesis, Hydrokinesis, Teleportation, and Levitation/Flight.]

[Appearance: Sumireko has Shoulder-length hair in Pigtails, Brown eyes, a Black Fedora with a White Ribbon, and Red-framed Glasses.]

[Outfits: Whenever Sumireko explores Gensokyo/ the Ancient Spaceship, she wears a Long sleeved Blouse with a Black Bolo tie with a Airplane-shaped Clasp under a Purple Vest and Purple Plaid Skirt, White Gloves, and a Black high-collared cloak with a red interior inscribed with Pink runes.]

[When Sumireko is attending Higashifukami HIgh, Sumireko wears a Long-Sleeved Violet Hoodie with a Purple Plaid Skirt, and carries a Sling Backpack.]

[Equipment: Sumireko carries a 3-D printed Handgun with the appearance of a Liberator, being capable of firing magical bullets at her enemies. Sumireko can also use Mysterious Power Stones known as 'Occult Balls', being capable of manifesting Urban Legends, and even causing the environment around them to shift. Sumireko also carries Zener Cards, A Tablet Computer with a Hexagram on it, and a Smartphone with a White case and Blue shapes on it.]

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[Character: Amane Shin] [Character Source: Touhou Wiki, Treasure Castle Labyrinth]

[Age: 40+ Billion years old] [Species: Unknown, Extraterrestrial]

[Backstory: Amane Shin is a Surveillance-type of Life form created by a Species from a far away Galaxy, having been sent to ours with a Seed of Life in hopes of never having to deal with another Galaxy-sized war. After Millions of Years Voyaging the Cosmos, Amane and Tenxka had landed on Earth when it was first created, laying in dormant until the planet had become hospitable for life. Amane and Tenxka then used their Seed of Life to create several Species to try and mirror her Creators image, settling with the Creation of Humans due to their similarity. Amane and Tenxka then stress tested several iterations of Humans, trying to create an iteration where conflict wasn't at their core, until they had eventually gone into Hibernation after the 'Terra Utopia Project' had failed the first time.]

[After millions of years in hibernation and her spaceship left in a desert, Amane had discovered Gensokyo, a world where Conflict was settled about in non-lethal ways. At first, Amane had tried to invade Gensokyo to house specific Humans within it as an Ark, only to find her fate had changed after losing a battle of Danmaku. After a few days had passed from the initial Incident, Amane and her ship had found themselves pulled into a new Universe with a different Earth & Gensokyo, choosing to observe the situation first before doing anything else.]

[Personality: Amane has an eccentric and careless personality, often having much more incomprehensible thoughts compared to anything in our galaxy. Amane does has incredible amounts of respect for rules, always willing to follow them without much fuss.]

[Speech Pattern: Amane will regularly speak the language that most people she talks to understands, though occasionally uses German words whenever she describes something.]

[Abilities: Amane has the ability to Manipulate the reversibility of Matter (Anti-Matter), using it to create a Humanoid body for herself. Amane also has Superhuman Characteristics, can Manipulate all forms/levels of Fire, Summon Golden Clock Arrows, has Several Supercomputers worth of intellect, and can fly.]

[Appearance: Amane's Human has Long Turquoise hair, Celeste Eyes, and carries a Sphere of the Earth surrounded by Sutra text in her right hand. Amane wears a Long Black dress with Blue & Red Sleeves, a large Curtain-like Skirt with an Ethereal Earth pattern on it, Black shoes, and a Black Hat with an Aquamarine Gemstone in it.]

[Transformation: Amane's true form is that of a Supercomputer with a Large Blue Eye, being able to freely transform between her Human and true Form as she pleases.]

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[Character: Tenxka Shin] [Character Source: Touhou Wiki, Treasure Castle Labyrinth]

[Age: 40+ Billion years old] [Species: Alien, Extraterrestrial]

[Backstory: Tenxka Shin is Amane Shin's Elder sister, having been sent with her as aid for creating a species without fatal conflict in its roots. After the Creation of Humans, Once they had found Gensokyo, Tenxka played a much more pivotal role in attempting to wipe out all life there to try and create a utopia/arc for Outside World Humans while they purified the Earth. After being defeated in a Danmaku battle, Tenxka had finally let go of the 'Terra Utopia Project', choosing to live with her sister and observing how Humans advanced. Upon being pulled into another Universe, Tenxka and Amane had gone into hiding in the Outside World, waiting to see what would become of this new Universe before stepping in personally.]

[Personality: Tenxka has a childish and playful personality, often seeing little difference in the right and wrongs in her actions due to never being taught about complex emotions properly. Tenxka also tends to behave like a complete Lunatic when left unchecked for too long. Tenxka will always be respectful to rules, however, always willing to follow them without fuss.]

[Speech Pattern: Tenxka often misspells words she hears for the first time due to having been created without use for them.]

[Hobbies: Before, Tenxka used to partake in acts of Lunacy, such as creating artificial life out of Mud and destroying it for fun. Now, Tenxka likes to play games with her friends.]

[Abilities: Tenxka has the ability to Manipulate the Probability of a being's Existence, allowing her to Influence all Forms of life to a certain degree. Tenxka can also Create/Summon Mud large enough to Eclipse the Earth, Fire Dark Matter, Create Large Clay Dolls with Mock-sentience, has Super genius-level Intellect, and can Fly.]

[Appearance: Tenxka's Human Form has Red Hair with a Yellow and Green Patter, Celeste Eyes, and a Sky-Blue Halo over her head. Tenxka wears a Violet Peasant-styled Dress with Yellow Ribbons, a Curtain-like Carmine Skirt with an Ethereal Earth Patter, and Dark-Violet Shoes. the Sleeves of Tenxka's Dress have Blue and Pink Gender symbols on its sleeves, with a Red and Blue Gemstone on each opposing side.]

[Transformation: Tenxka's True form is that of a large Supercomputer with a Purple Eye at its center, with Tenxka being able to freely change between her Human and True Form as she pleases.]

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[Relationships: Sumireko had first met Amane and Tenxka on a Weekend after School, having discovered the Ancient Spaceship after hearing about its rumors. Sumireko is currently friends with Amane and Shin, coming to visit them in her free time.]

[Sumireko often calls Amane and Tenxka by nicknames she made up. Sumireko calls Amane 'Amy', and Tenxka 'Tens'.]

[Amane and Tenxka are Twin sisters, with Tenxka being the eldest of the pair.]

[Amane and Tenxka have interest in visiting Sumireko and her school, curious to see more about the Secret Sealing club.]

[Sumireko is heavily interested in the Ancient Spaceship, wanting to explore every nook and cranny of it.]

[Amane and Tenxka are the pilots/Surveillance Systems of the Ancient Spaceship, being able to manipulate its environment/controls freely.]