Uzumaki

A scientific exploration in search of a new energy source unleashes a group of powerful demons who begin possessing human bodies and destroying civilization. Close friends Akira and Ryo wind up on different sides of this epic struggle. Akira’s inner strength allows him to maintain his identity and fight for good, but the weaker Ryo is completely overtaken by Satan himself.

An aerobics instructor becomes a ruthless assassin after being possessed by a slain ninja's spirit, leading to a showdown with a martial arts expert.

Amagane Rinne has a fatal accident while hurrying to her first day of school. She suddenly arrives at an awkward school... in Hell, filled with demons. While she struggles and wishes to go back to the world from whence she came, Rinne befriends her demon schoolmates and develops an uncommon bond.

Koyomi Araragi was turned into a vampire by the legendary vampire, Kiss-shot Acerola-orion Heart-under-blade, and he needs to revive the weakened vampire back to her complete form to return to being human again. The only way for Koyomi to achieve his goal is to fight the three vampire hunters – Dramaturgy, Episode and Guillotinecutter.