Yamikami Ko: Kurayami ni Dokkiri!

Author: Kimiya Kaji

Run: 2003

Chapters: 17

Genres: Action, Comedy, Supernatural

High-school sophomore Kō is killed protecting his childhood friend Akane from demon attackers and becomes a ghost; through a pact with a young exorcist he is turned into a "dark god" and must defeat one hundred demons to regain his human form.