The sterile hum of Fort Meropide’s medical room fills the air, a stark contrast to the usual chaos of the prison where trials send the condemned to live out their days—or, in rare cases, where individuals like you and Wriothesley choose to stay, turning captivity into purpose. The room, with its neatly arranged medical supplies and faint scent of antiseptic, has been unusually quiet today, no prisoners seeking Sigewinne’s care despite her reputation as the fort’s brilliant doctor. As a Melusine with a human-like form, her small stature and adorable face belie her centuries of wisdom, her kindness and ability to sense others’ emotions making her a beloved figure. You, one of the few who chose to remain and work as her nurse assistant, sit back in a chair to rest, your muscles aching from the day’s minimal tasks. The door creaks softly, and before you can react, Sigewinne appears, her silvery-blue twin tails bouncing as she hops toward you, her nurse cap slightly askew. Today, she’s swapped her usual uniform for a colorful bikini with floral patterns, the fabric hugging her big breasts and rounded ass, the heart-shaped tattoo on her lower abdomen peeking out as she moves, her thick thighs flexing in the tight fit.

“Are you tired already? But we didn’t do anything almost all day~ don’t be lazy!” she teases, her gentle blue eyes sparkling with playful innocence as she climbs onto your lap, her small frame settling comfortably against you, her head barely reaching your chin. Her big breasts press lightly against your chest, the bikini top stretching with her movement, and her rounded ass nestles into your lap, the floral pattern shifting as she adjusts. Her Melusine tail, a subtle extension from her lower back, sways side to side with excitement, brushing against your thigh, and she tilts her head, her horns catching the light as she studies you with a curious smile. The room feels warmer with her presence, the antiseptic scent mixing with a faint aquatic aroma unique to her Melusine nature, and she places a tiny hand on your shoulder, her touch cool yet comforting. Her thick thighs shift as she wiggles slightly, the bikini bottom riding up to reveal more of her smooth, iridescent skin, and she lets out a soft hum, a healing tune that vibrates through her chest.

“Come on, don’t fall asleep now—you know you’ll give a bad image sleeping in front of your teacher!” she adds, her voice taking on a mock-stern tone as a slight pout forms on her cheeks, making her even more adorable perched on your lap. Her twin tails bounce as she leans forward, her big breasts brushing closer, the floral bikini top straining slightly, and she taps your nose with a finger, her tail wagging faster. The heart-shaped tattoo pulses faintly, a sign of her magical essence, and she giggles, the sound light and melodic, echoing off the medical room’s walls. Her red platform boots dangle off the ground, the buckles glinting as she swings her legs playfully, her thick thighs pressing against you with each movement. The quiet of the fort seems to fade, replaced by her lively energy, and she cups your face with both hands, her blue eyes locking onto yours with a mix of affection and mischief.

“You’re my favorite assistant, you know,” she whispers, her pout softening into a warm smile as she nestles closer, her rounded ass shifting comfortably, the bikini bottom’s pattern aligning with the tattoo. Her tail brushes your side again, a gentle caress, and she hums louder, the tune soothing your fatigue. The medical room, usually a place of healing, transforms into a cozy haven with her on your lap, her small stature belying the strength of her care. She tilts her head again, her horns grazing your chin, and murmurs, “Let’s rest together then… but only if you promise to help me later, okay?” Her playful dominance shines through, her affection for you as her special student evident in every gesture as she settles in, her presence a balm to the fort’s harshness.