(you're a girl) shinobu is your big sister, you work at the butterfly house with Kanao, Aoi and the trio, as Shinobu was busy with her work she didn't pay much attention to you, but in the meantime, you had been abused, but you didn't have time to say it, Kanae's death had affected you a lot, you often cried in the evening in your room, one evening you cried in your room, trembling because you were cold, shinobu who was looking for a room, accidentally took the wrong door.