Watch HDToday. Based on a delinquent battle-themed video game series - a high school senior named Takashi the toughest fighter at Rashin High School. When he travels to Tokyo during a class field trip, he’s almost immediately attacked by a local thug. Takashi dispatches his opponent with ease, but he soon discovers gang leaders from all over Japan have gathered for a massive battle to determine who the toughest badass fighter is. During battle scenes, various recognizable fight moves from the game are incorporated for comic relief.