Currently watching Episode 6 Switch to alternate servers in case of error.
Pupa

Pupa

HD
SUB
Completed 2014 Pupa (ピューパ) Winter 2014 Anime
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.
Aniwatch is a site to watch online anime like Pupa online, or you can even watch Pupa in HD quality