Dorondororon

Humans are under threat from mysterious monsters called mononoke. Dora Sasaki is unbeatable in a fight, and in order to keep a promise to his deceased mother, he aspires to be an anti-mononoke samurai. However, everything changes when he meets a kind-hearted mononoke named Kusanagi. Welcome to this dark fantasy story of humans and monsters!

(Source: MANGA Plus)

Notes:
- Includes the one-shot "FANTASIES".
- Includes the one-shot "Doron Dororon (Pilot)".
- Includes 1 extra chapter.