Mishaguji was a native god worshipped in the ancient Shinto region of Japan before the Yamato took control, at which point the worship of it became a taboo. Mishaguji was the god of sexual intercourse and if he was left an offering, then sex would become better. It is said that Mishaguji's incarnation on Earth had a very phallic shape, possibly similar to an earthworm, and he would take shelter under rocks or stones. Once Yamato took control however, Mishaguji became seen as a god that only the undesirable and unfaithful would worship.
Mishaguji acts as one of the five demons that controls the Pentalpha system. Players can align with him to fight against mobs representing the other demons within the system. Those fighting against him will face waves of demons belonging to the Wilder, Raptor, and Evil Demon races.
By acquiring enough power for him, players can obtain the ability to fuse him in a special fusion of Take-Minakata and Sarutahiko.