Danganronpa Another Episode: Ultra Despair Girls (manga)

Zettai Zetsubou Shoujo Danganronpa Another Episode Manga
Zettai Zetsubou Shoujo Dangan Ronpa Another Episode is drawn by Touya Hajime and this manga runs on Famitsu Comic Clear, Pixiv Monthly Comic Clear and Niconico Seiga Monthly Comic Clear and follows the game storyline.

Komaru Naegi ( Makoto's sister ) survived in the world outside Hope’s Peak Academy. She meets up with Fukawa Touko /Genocider Syo. This is the story of their meeting and they try to survive together.

Volume 1:

It starts with a man who wears a giant chain around his neck and has wild and messy white hair. He calls himself a Servant and also tells a story of the world he lives in. Then the scene shifts to Komaru, who tries to run away from Monokuma robots.