After being ambushed by a succubus and having his life force completely drained, Kamui naturally (?) falls into Hell. However, declaring that he has business to get down to, Kamui aims to return to the living world and confronts Enma the Great, who enforces the rules of the underworld. Meanwhile, in the living world, the creature Fire Cart attempts to possess Kamui's lifeless body. Will Shizuka and Oichi be able to protect Kamui's body from getting taken over?