Kösaku and Hibari share a dream of Kösaku winning the World Boxing Championship and then marrying Hibari. They wake up and realise they have switched bodies. They consult an Occult enthusiast, Occult Ittosai, who informs them that while they were dreaming their souls left their bodies and accidentally returned to the wrong bodies. The only solution is to share another dream and return to the correct bodies. At school everyone is confused as Kösaku suddenly appears to be a perfect student while Hibari has become a clumsy idiot. At boxing club Hibari knocks out Shiina so Kaji chooses KÅsaku to fight a champion boxer from a rival high school...