Gin no Oni

A tale of forbidden love – a demon and a girl “You are gonna have my baby, a demon baby!” – The demon pursues 17-year-old girl Fubuki.. As a child Natsuno Fubuki met a silver demon. He told her: "When you grow older, I'll definitely come and eat your heart" Fubuki, who grew up, at the age of 17 while frightened of the memory of that demon, had a crush on her homeroom teacher, Shimakage Tone, and told Shimakage-sensei about her feelings and the horrible memory of the demon. But her teacher said "That is me" and turned into the demon?!