44 parts Complete Kai is a demon, fallen from his status as an angel under Life. Yago is an angel, working under the rule of Life.
Yago is sent by Life to kill the remaining first generation demons, but he goes behind Life's back in the search of help. He wants to become a demon as well.
But Death is the only one with the ability to make angels demons, and he has been missing for hundreds of years.
An original story, the first completed manuscript in full.
(Also I drew the cover)