Battle League Horumo (鴨川ホルモー, Kamogawa Horumō) is a Japanese fantasy-action-comedy film directed by Katsuhide Motoki.
Akira Abe is a freshman student who falls in love with a classmate named Kyoko, and blindly joins the club and plays the game to be closer to her.
Ironically, Kyoko is interested in another club member, while Akira gains the attention of Fumi.
The mysterious game started over 1,200 years ago in the Heian Period.
Soon the 2,000 oni wage wars battles in the city of Kyoto.