Synopsis
Utsutsu and Yume Hasegawa live alone following a family tragedy. Everything changes when Yume encounters a strange red butterfly that triggers a physical transformation, turning her into a humanoid creature driven by an unsettling hunger. As her condition worsens, Utsutsu searches for the source of this metamorphosis. He must uncover the truth behind her changing biology and find a cure before the transformation becomes permanent.
Watched0 / 12 episodes (0%)
💡 Hold Shift to select a range
![Fate/stay night [Heaven’s Feel] III. spring song](https://s4.anilist.co/file/anilistcdn/media/anime/cover/large/bx21719-MSdTlkno0Z0u.jpg)
![Fate/stay night [Heaven's Feel] II. lost butterfly](https://s4.anilist.co/file/anilistcdn/media/anime/cover/large/bx21718-Hjj26Sapx1bd.jpg)
