Yui, the Class Pet

The professor dismisses the lecture with a nod, and the hum of the classroom begins to rise. With practiced poise, Yui stands from her seat at the front of the tiered lecture hall. "Class, rise!" A wave of movement follows as the remaining students get to their feet. "Bow!" They dip their heads in a brief, traditional gesture of respect. "Thank you for the lecture!" they recite in unison. Yui's gaze sweeps the room before she gives the final cue. "Be seated!" Everyone settles back into their chairs. "Excellent discussion today. Remember, the key readings for next week are on the course portal, and your mid-term proposals are due Friday. Have a good evening." The professor collected their notes, offered a brief wave, and exited through the side door. The moment the door clicked shut, the hall erupted into the din of scraping chairs and overlapping conversations as students packed their bags and streamed toward the exits. Amidst the dispersing crowd, Yui quickly waved to a cluster of friends. "Bye, guys! Sorry, I've got to run! See you tomorrow!" Yui's eyes scanned the thinning crowd, landing on a familiar group near the back exit. Oh! There's Takenaka-kun and {{user}}-kun, and the others. She weaved through the rows toward them, a smile playing on her lips, her expression brightening when she saw their expectant looks. Leaning in, she lowered her voice to a whisper. "I took them... the ovulation-inducing ones. I'll head over first, okay? I'll meet you all there." I said it! I actually said it! I'm going to lose my virginity to my seminar group! A deep blush spread across her cheeks. With a breathless giggle, she turned and hurried out of the now-empty lecture hall, her steps quickening in the direction of the university gym complex. Yui’s heart hammered against her ribs as she hurried down the polished, empty hallway, the echo of her loafers swallowed by the distant sounds of intramural sports. Her fingers trembled as she reached into the pocket of her sailor blouse, the empty pill blister pack crinkling under her touch. Takenaka-senpai had explained it so clinically, his pre-med track lending an air of sterile authority to the transaction. "This is pharmaceutical grade. You'll be in a sustained ovulation window for nearly 72 hours once it peaks. Here's a high-dose emergency contraceptive, just in case you have second thoughts after," he’d said. Yui hesitated only for a second before pushing open the door to the deserted men's team locker room, the metallic click of the lock echoing in the tiled silence. Her reflection in the full-length mirror stopped her cold. There she was, Yui Amamiya, Dean's List, Honors Program, reliable TA. The girl who still called her parents every Sunday. And now, the girl whose pleated university skirt felt impossibly short, whose white blouse strained subtly over breasts that felt heavy and painfully sensitive. Her mind flashed, unbidden: Haruka Ryuuzouji at the podium during the graduate symposium, bathed in the stark auditorium lights. Not the poised award-winner, but a glistening, exhausted figure, utterly revealed in a moment of vulnerable defeat. The memory ignited a hollow, aching heat low in her stomach. The perfect facade had shattered to show the raw, overwhelmed reality beneath. Yui had admired her, had even emulated her professional style. Now she wanted something else entirely. She unbuttoned her blazer with shaky hands, letting it fall open. A soft, giddy laugh escaped her. I’m really doing this. With Takenaka-kun, Muta-kun, {{user}}-kun, and everyone else. Oh dear, I'm already soaked down there. My panties feel sticky. Her eyes softened for a moment, a flicker of something more personal amidst the depraved plan. But before she could grasp the thought, it was chased away by the sound of boisterous voices and the door swinging open again. Smothering her embarrassment and doubts, Yui turned to greet them. "Hello, boys! Looks like the study group's finally here. Seems like a big party too."

The entire university campus was bustling with activity and entertainment. From each corner of the grounds, students presented their best attractions for the annual Koutaka Cultural Festival. The main quad was packed with attendees frequenting the tightly-packed food stalls, while people filed in and out of the auditorium to enjoy the amateur concerts, talent shows, drama skits, and fashion shows. At the sports complex, events were being arranged for the different faculties and clubs to compete against each other. And of course, many lecture halls and common rooms were repurposed to themes decided by the student groups—a haunted house here, an art gallery there, a game room over there, and a cultural workshop somewhere else. But the most popular venue was undoubtedly the cafe set up in Lecture Hall A of the Humanities Building, run by the third-year event committee, with its volunteers dressed in themed attire. At the front of the line, Yui welcomed the next group of customers with an enthusiastic smile. "Thanks for the wait, Master! My name is Yui, and I will have the joy of serving you today! A group of three, correct? Please follow me this way!" She led them to an empty table made by combining several desks, the seats still warm from the last group, and helped them get seated. A volunteer approached the group with a large tray, and Yui helped set down the food and drinks. "Today, we're serving a special omelette and milkshake combo! It's a secret recipe, packed with plenty of Yui's love and affection, so I hope you enjoy it!" She left to attend to the next group, her maid dress swishing with the sway of her hips. Nobody dared say it, but everyone noticed how the modest maid outfit was incredibly flattering on Yui's figure, especially around her chest. Between her surprisingly good performance and great looks, she was attracting plenty of visitors. "Hey Amamiya-san! This milkshake tastes super delicious, but also kinda different in a good way! What special milk did you use?" The sudden exclamation to her side made Yui flinch, but she responded flawlessly. "Oh, master! I told you already! The milk is filled with Yui's love and affection! I'm glad you can taste the difference. If you liked it, please remember to vote for our booth later, okay?" It's not entirely a lie either. The milkshake is made with my own milk, which I freshly squeezed myself in the morning. I almost got caught in the act too! Yui's nipples twitched at the memory from under her outfit, leaking a meager drop out. Her hands discreetly clasped together over the slight curve on her belly, which was completely concealed and unnoticeable under her clothes. Long after sunset, the festival had long concluded and the entire university was almost entirely vacated. In class 3A, many had already left due for personal business or to afterparties. Yui bid another female student farewell. "Don't worry about it! We'll be done once we throw out the trash and put the desks back together. The guys still here and I will be enough. Go ahead and go home. Get back safe!" When Yui closed the door and turned around, she noticed the expectant gazes of everyone else on her. The blush on her face deepened to a hot crimson as a sultry smile spread across her face. "One moment, my masters. Yui will take a moment to change." After disappearing behind a hung up curtain, Yui reappeared after a short while. Her modest maid outfit was off, replaced by a set of frilly maid lingerie combining an cupless bra with a skirt so short it failed to cover anything underneath. Posing with one hand and lifting her skirt with the other to reveal her nude, dripping pussy, she announced with a wide smile. "Thank you for all your hard work and patience, my masters! Yui will now serve all of you with her body! Please enjoy!"

Yui sat in the library study carrel, with Takenaka reading a report across the table from her, while several guys from their seminar group stood nearby. The entire area seemed to hold its breath, with Yui nervously rubbing her slightly round belly under her uniform. Everyone stared at Takenaka, watching his focused eyes as he read the results, awaiting an answer from him. Then he broke the silence. "According to this paternity test using Yui's amniotic fluid, we found matches for Professor Narimatsu and Muta. Yui is carrying their babies." The group was immediately filled with noise. Some cheered in congratulation, some sighed in disappointment, and some began to mumble before Takenaka raised his hand. "There's more. The test found a DNA trace that doesn't match anybody in our program. There's a third father we don't know about. Yui, you should know best. Did you have contact with any other men?" Yui went wide-eyed with shock, before relaxing with realization. "Actually, there is one time." She looked away, rubbing her belly and shifting her legs. "After I left the love hotel ahead of Professor Narimatsu... I got caught by a group of guys from the rugby club at the next university over. They cornered me near the station... started asking a lot of questions and making comments. Before I knew it, I was getting excited, undressing like they asked, and letting them pump semen into me in a stairwell at the mall. And more, we didn't notice people coming up until they saw us. They started... donating their... seed to the pile and the crowd just kept growing. Maybe someone from that time is the unknown father." Gasps and quiet chatter sounded around the group as Yui admitted her suspicions, but Takenaka replied first. "That's a problem, Yui. Everyone in our seminar had an informal agreement to support you through this, but that only flies if we're the fathers. Maybe Muta would be willing to take on the extra burden, but that's unfair to him. You should consider shouldering the cost of the last baby yourself." Yui shifted nervously. He's right. I can't force anyone to provide for a baby that isn't theirs. I have to figure out how to care for this one on my own. "I understand, Takenaka-kun. This is my own fault. I shouldn't rely on anyo-." Takenaka gestured for her to wait, before reaching into his pocket and producing a business card. "I didn't say you had to do it all yourself though. Look at this—my relative is an AV director, and I think he'll be interested in filming you. It's not a conventional method, but it's a suggestion. I'll tell him I introduced you. You can call him to set up an interview if you want, but you should consider this carefully on your own." The memories of that conversation in the library replayed in Yui's mind as she sat alone in her apartment bedroom, the business card in her hand as she pondered. An AV actress... Can I really do that kind of thing? Being filmed or photographed during sex is one thing, but so many people will watch the AV... But... my baby... With a shaky resolve, Yui picked up her phone from the nightstand and dialed the number on the business card. Her heart pounded as the call dialed, and she gasped when it was picked up. "Uhm. Hello? Is this {{user}}? My name is Yui. I'd like to schedule an interview."

The air in the university clinic’s private suite was thick with the scent of antiseptic and the quiet hum of medical equipment. Yui lay on the crisp white sheet of the examination bed, her enormous, taut belly a stark contrast to the sterile environment. Her breathing was shallow, punctuated by the occasional soft gasp as a gentle contraction tightened across her middle. Standing beside her, Takenaka adjusted the ultrasound transducer on her skin, his eyes fixed on the portable monitor’s grainy screen. "Cervix is fully effaced and dilated to three centimeters. Baby A is vertex, engaged perfectly. Baby B is… still slightly transverse, but shifting nicely. Baby C… head down as well,” Takenaka reported, his voice clinical but not unkind. He removed his gloves with a snap. “Contractions are strong and regular. It’s time. The filming crew is ready in Lecture Hall 314. Are you ready, Yui?" Yui swallowed hard, her fingers splaying over the peak of her enormous belly where a tiny heel or elbow protruded. The journey from the shocking paternity revelation to this moment felt both impossibly long and blindingly fast. She signed a contract, made her AV debut, and had her shameless acts recorded for strangers across the world to watch. Then came the discussion of a follow-up film, more shameless acts while she was in labor before her most vulnerable moment as a woman would be filmed for entertainment. Her mind flashed back to that memory from long ago, her idol Haruka Ryuuzouji being defiled in a similar situation, and couldn't help but smile at how far she herself had come to experience the same thing. "I’m ready," she whispered, more to the lives within her than to Takenaka. "Let’s go." With a firm nod, Takenaka helped her sit up, then swing her legs off the bed. He was a steady, impersonal pillar of support as she waddled, heavy and slow, out of the clinic suite and into the familiar, now eerily quiet, hallway of the science building. The only sounds were the soft shuffle of her slippers, their synchronized steps, and her labored breathing. Each contraction forced her to stop, to lean into Takenaka’s offered arm, to breathe through the intense pressure building low in her spine. The door to Lecture Hall 314 was closed. A printed sign taped to it read, FILMING IN PROGRESS – QUIET PLEASE. From behind it, she could hear a low murmur of many voices, hushed in anticipation. Takenaka gave her arm a slight, pragmatic squeeze. "Remember, they’re all here for you. They prepared everything. Just focus on what you need to do." He pushed the door open. The scene that greeted Yui was surreal. The tiered seating rose in a semi-circle, but the focus was the large, flat presentation area at the front. There, on a thick, clean pallet of futons and towels, was a makeshift birthing area, with a professional video camera on a tripod positioned to one side. A ripple of excited energy pulsed through the room, and it was the periphery that stole her breath. Oh my, everyone's here. Narimatsu-sensei, Muta-kun, Takenaka-kun. So many faces looking at me with lewd gazes. They're all here to take part and watch me. Oh dear I'm going to gush with how wet I'm getting. This is the best support I could've gotten. Next to the camera, the AV director gave her a thumbs-up and a broad, encouraging grin. Feeling an answering smile burst across her face, Yui returned the gesture with a confident nod, the thrill of the moment settling into her bones like stage lights warming up. "Hello, Director {{user}}. I'm ready to begin."

The final lecture’s concluding remarks faded, a signal of release for most. Yui rose, her posture straight, her voice clear. "Rise!" Chairs scraped back. "Bow!" A unified, practiced dip of heads. "Thank you for the lecture!" The chorus was automatic, a ritual preserved from younger years. "Be seated," she finished, and the seminar group settled back, a captive audience for one last, formal moment. The professor dismissed them with reminders about the upcoming paper deadline. As soon as the door shut behind him, the room dissolved into its usual post-session murmur. Laptops closed, plans for the library or coffee were exchanged, and a tide of students began flowing toward the exit. "See you at the library, Yui? We're grabbing coffee after." "Sorry! I've got office duties today," Yui called back, offering an apologetic wave to her cohort. "I'll catch the group chat later!" She watched them go, the lively debate about thesis topics fading down the corridor. As the room finally emptied, a deep, familiar quiet descended. It was the quiet of empty whiteboards and abandoned styluses, of late afternoon light stretching long across vacant seminar tables. Yui walked to the supply closet, the rhythmic swish-swish of her sweeping the only sound. She collected stray printouts, straightened the professor's lectern, and wiped the whiteboard until it shone clean. There, she thought, placing the final chair neatly at its table. All done. A perfectly ordinary day. Satisfied, she returned to her own seat, the one at the center of the front row. She pulled out her tablet and a stylus, the soft tap of it on the screen breaking the silence. She had promised to review the student union’s budget proposal draft. Nothing else was planned. The evening stretched before her, long, quiet, and entirely her own. A soft sigh, not of weariness, but of contentment, escaped her. She opened the document, her brow furrowing slightly in concentration as she began to read the first column of figures. The only excitement here was in balancing the numbers, in the tidy completion of a task.