Sato Yo is a high school boy, who likes SEGA's games. One day, he enters a grocery store to buy some food for dinner. When he tries to take a bento box, he loses consciousness. He comes around to find all the bento sold out. He notices there is a war game going on at grocery stores and players called "Wolves" compete for the half-priced bento. Yarizui Sen, the leader of Half-Pricer Club, forces Yo to join the club and he enters the bento war.
Martial arts are an expression of power, showcasing the potential of the human body when pushed to its physical limit. It also makes for exciting anime, and allows animators and directors to showcase their prowess as things get heated.