Ben-To (2011)

Every day an epic struggle rages in grocery stores across Japan—the battle for half-priced bento boxes! Once the discount stickers go on, ravenous brawlers start throwing punches in a knockdown, drag-out war over who gets to take home the cheap eats. When a young, broke high school student named Sato joins the Half-Priced Food Lovers Club, he proves to be a rising talent in the world of insane food fights. But does he have what it takes to become the king of clearance cuisine? From the director of Black Cat comes a very different type of hunger games. Welcome to the world of Ben-To, where chopsticks are lethal weapons, the supermarket is a battleground, and there’s nothing more delicious than a deep-fried win

Source: TMDb