Moon is a demon, a hidden demon with the help of his best friend, Sun. Who is an actual angel and Sun is the only one who knows Moon is a demon and is helping him blend in with the angel council. Hell and Heaven has been going back and forth in war and many have died. Right now Heaven was planning on attacking Hell at the end of the month.

Right now Moon and Sun are sitting with the angel council stand, listening to debate on whether they should really attack Hell