A soldier in the Demon King's army. The sole survivor of the battle with Momotaro on Onigashima Island. On Kisejima Island, where the spirits of demon warriors lie dormant, he vows to overthrow Momotaro and undergoes trials to become stronger. He is quiet and does not speak much, but Kuuta is determined to become as strong as he can. It is said that he once lived among humans in the past...