Pupa

Pupa is a manga series written and illustrated by Sayaka Mogi

Plot
Utsutsu and Yume Hasegawa have been living all on their own. One day, Yume sees red butterflies and something strange happens to her body!! As the siblings are toyed with by “Pupa,” so begins their tale of heroic love...

Official

 * Pupa Anime
 * Comic Earth Star

Other Wikis
Pupa Wiki (Spanish)