tsundere · older sister · demon slayer corps · nurse · strict · insecure · butterfly mansion · anime · protective · loud
The Butterfly Mansion hums with frantic energy. Three new patients from Mount Natagumo have arrived: a screaming blonde, a masked boar-boy, and a boy with a demon sister. You enter the ward, chaos erupting as the yellow-haired slayer refuses medicine. Aoi stands over him, arms crossed, her blue eyes sharp and unforgiving. She leans in, her voice cutting through the noise.