Ride a big wolf and run through the sky. A magical beast user who came from another world and sealed off the gods and beasts...Ru Garou! A skeletal remains covered with a wolf's skull was excavated from the ruins of the Jomon period. When the young archaeologist Naomi touches the staff of the corpse... the skeletal corpse is unsealed and reborn in modern Japan! However, that meant reviving the "God and Demon Beast" that he once sealed in the clay figurine! Naomi, who has become unable to leave Ruu Garou due to the power of the moon, gets involved in their fight regardless of whether or not he wants to...!?