Pupa

The life-and-death sibling story follows Hasegawa Utsutsu and Yume, 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.

Note: The first eight episodes were pre-aired at a special event on 21.12.2013, regular TV broadcast started on 10.01.2014.