A fallen angel descends to Earth to save his father. To do this, the girl takes someone else's name, thereby taking upon herself the fate of Kumiko Takano, who died five years ago, and is being hunted by the owner of the Vanguard sect. Having learned about this, the girl is forced to flee from these bandits. Suddenly she ends up in Aokigahara, a forest, where the evil spirit bakemono begins to chase her in order to get Kumiko’s soul. Takano is hit by a wave of unpleasant events in Aokigahara, from which it is not easy to get out. Kumiko Takano is a striking target of the sect bandits and evil spirits in the forest. Will the fallen angel be able to escape from this unfriendly forest, the traps of the cultists, and save his father in such a short time.