S1·E25 The Guy Who Wanted to Conquer the World

Mitsui and Tetsuo were defeated, but Mitsui still continued to fight. Though when Akagi enters, the atmosphere becomes dense. Akagi slaps Mitsui around. Kogure then informs everyone that Mitsui use to be an excellent basketball player, and was even on the team. Kogure then proceeds to tell the rise and downfall of Mitsui's basketball career.