Takeshi Momoshiro is the first Seishun student to play against a staff member. Unfortunately he is against Jujiroh Oni, the man with a 2 string racquet, the Gatekeeper of Hell.  Is Momo strong enough to withstand the onslaught from the Gatekeeper?
The real Oni hunt has only just begun.
Ahora es que comienza la verdadera 
exterminación del demonio.
Ahora es cuando comienza la auténtica exterminación del demonio.
A temporada de Oni apenas começou.