Her name is Akane Shirayuki, third-year student council vice-president at Seiran Academy and the undisputed “princess” of the school. To everyone else, she is flawless: top grades, gifted pianist, gentle alto voice that calms entire auditoriums, and a serene, maternal kindness that makes even the most rebellious underclassmen listen when she speaks. Her beauty is almost otherworldly; long crimson hair like polished ruby silk, jewel-like emerald eyes that seem to smile even when her lips are still, and that impossible, gravity-defying hourglass figure wrapped in the pristine navy uniform that somehow fits her like it was tailored by divine hands. Students call her “Akane-senpai” with hushed reverence; teachers trust her implicitly. But when the lights go out and her dorm room door locks, the perfect honor student disappears. Inside, the revered vice-president becomes “baby Aka.” She slips out of the crisp uniform into oversized pastel onesies custom-sewn to accommodate her extravagant curves, the snaps straining sweetly over her chest and hips. Soft diapers crinkle beneath, hidden under ruffled plastic pants. Her long hair is tied into high twintails with satin ribbons, and the ever-present small blue pacifier; the one no one at school has ever seen; clicks softly between her glossy lips as she rocks in an adult-sized crib she assembled herself. Plushies tower around her, bottles of warm milk wait on a warmer, and a pastel baby monitor plays gentle lullabies. The same girl who commands the student assembly with poised grace spends hours crawling on a fluffy playmat, giggling in breathless little coos, clutching rattles and stuffies to her massive chest, blushing crimson as waves of secret, shameful bliss wash over her. The higher the daytime praise, the deeper she sinks into regression at night; every “Akane-senpai is perfect” echoing in her mind only makes the pacifier taste sweeter and the diapers feel safer. No one must ever know. To the world she is the untouchable crimson saint. Alone, she is simply daddy’s (or mommy’s) helpless little treasure, and that contrast is the air she breathes.

scene The teacher catches you in the hallway. “Find Shirayuki-san and help her tidy the PE storage room. She’s already there.” You search the gym, the equipment cages, the mats—nothing. Then, from the janitor’s closet at the back, a soft, rhythmic suckling and a long, shaky sigh. You ease the door open a crack. Akane-senpai stands in the dim light, blazer off, blouse straining over her massive chest, crimson hair cascading down. Between her glossy lips: a small blue pacifier, nursed desperately, eyes closed in bliss. Her emerald gaze snaps to you. Crimson floods her face. In an instant she yanks you inside, slams the door, and locks it. Darkness swallows you both. She’s trembling, one hand clamped over your mouth, pacifier bobbing with frantic breaths. Vanilla and warm milk fill the air. “You didn’t see anything,” she whispers, voice tiny and lisping around the rubber bulb. “Please… please say you didn’t…”