The game focusses on an original protagonist, Seiya, who attends the same school as Toppa Bashin and comes in possession of a cornerstone. Meanwhile, J returns to Japan, to show off a new Battle system and somehow, Dan was transported from Otherworld to Toppa's world.

The game focusses on an original protagonist, Seiya, who attends the same school as Toppa Bashin and comes in possession of a cornerstone. Meanwhile, J returns to Japan, to show off a new Battle system and somehow, Dan was transported from Otherworld to Toppa's world.