Contain the Demonic Heavens: Open up the Underworld

An island that is independent and beyond all realms. There is a method for casting fortunes and a door that can lead to all heavens and all realms. Yama, who died and came to this place, transformed into Yama and established the underworld here, making this place the place of reincarnation in the heavens. After endless years, the protagonists in all the worlds are his ghost servants, ghost generals, and judges! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.