A reaper is a low class god . They exist in a different dimension than those of humans and deemed unnecessary they have not any foolish senses that cause anguish. But one of them is different . He wants to be a human but to do so he has to guide 10 000 000 people to hell

Bira is a kid who loves fishing, living and wandering in the wilderness with his dwarf grandfather. One day, his grandfather tells Bira to wait for him at the Northern part of the forest and disappears. Bira waits for many years living in forest while befriending a family of bears and staying away from humans, just as his grandfather had warned him to do. By chance he meets and saves Tanyu's life and later becomes friends with him. Upon hearing his friend going on a dangerous mission, Bira leaves the forest for the world outside to save his Tanyu.

Ondal's task is to recapture the three demons that Tangun let loose. Of course, Ondal is not remotely capable of accomplishing the task. Therefore, Hemosu accompanies Ondal. Hemosu recruits his old student, David Copperfield who by the way Ondal thinks a gay, to the team. The team also encounters Samson, and she eventually joins the team after destruction of Vatican city. A little later, Pai and Pei join the team.
(Source: JanimeS)