The BEST seasons of Pupa

Every season of Pupa ever, ranked from best to worst by thousands of votes from fans of the show. The best seasons of Pupa!

The "life-and-death sibling" story follows Utsutsu and Yume Hasegawa, a boy and his little sister who find themselves all alone. One day, Yume sees a mysterious red butterfly and her body undergoes a strange metamorphosis—into a creature that eats humans. Utsutsu struggles to find a way to restore his sister.