Souichi and Yuma Mikami became a couple. But Souichi winces when Yuma asks him to be uke even only once. Yuma is a fisherman and his boat wrecks by storm. Yuma is supposed to be dead but he suddenly returns on the day of his funeral...
Ryouichi, Souichi's younger brother and architect, also decides to make same family register with Yoshiaki Mikami, Yuma's elder brother, a CEO of publisher. But Yoshiaki knows an offer of marriage of Ryouichi with his boss' daughter. Ryouichi swears he won't change his mind but Yoshiaki loses his estate assures by fraud and his company goes bankrupt. Ryouichi accepts the marriage meeting on condition that the boss returns the estate to Yoshiaki and at same time he gambles on the horses as a last chance...