Tsuburu no Oni, the "Lord of Gluttony", was an Oni Lord summoned by Kuni Tsuburu, a shugenja who wanted it to protect his scrolls. However the oni bargained with the shugenja and asked for a sacrifice to be fed to it every day in return. Several Weeks later Kuni Tsuburu himself was eaten when he ran out of creatures to feed the oni. Tsuburu no Oni, now free, escaped into the Shadowlands. The Oni established itself it in the volcanic regions of the shadowlands. There, its spawns would bring it the food it wanted.