Akuma no Kagi to Shoujo no Raison d'etre / The Devil's Key & Girl's Raison d'être
Rank: 40607th, it has 2 monthly / 4526 total views.
Authors: Uguisu kagura
Genres: Shounen , Action , Fantasy , Supernatural
Release status: Ongoing
One day, Natsuto found a girl near his house and it turns out she's a Holy Girl that is in a mission to eradicate the demons that escape from the Chaos Realms and as well as find the Key that can summon demons.