Two Japanese school bullies are verbally attacking two Korean boys ("kimchi-eaters"), until one of the Koreans punches one of the Japanese in the face. Later they all meet again, one part threatening the other with switchblades and the other part with baseball bats, but no violence occurs.
A man gets hit in his crotch with a baseball.
It's implied that three teenage boys were beaten up by their teacher. The violence is not shown, but they are then shown with bruised faces.
A man gets punched in the face by his coworker, off-screen.
A teenage boy punches two other boys in the face with a plastic bottle full of water. They are shown lying unconsciously on the floor.
