Mad Chimera World (manga)

Mad Chimera World (マッドキメラワールド, Maddokimerawārudo) is a Japanese manga series written and illustrated by KISHIMOTO Seishi.

Plot
Set in a ruined world overrun with chimerical creatures where the female creatures eat the males. Two creatures explore the land: Usagi, the elder sister, protects her brother Mitsuki, a curious chronicler who is able to read the books in their secret hiding place to know that the world was once different.

Chapters not yet in tankōbon format

 * Special 1