At a male brothel, Sakura hires Ryoichi for a night of intimacy which marks their first meeting. As their relationship progresses into a financial agreement, their lives take a different turn. Although they are hesitant to go against societal norms, will they find the strength to express their profound emotions for each other, surpassing the physical and monetary connections? Additionally, the book traces Ryu's journey as he confronts his troubled past in Osaka. When an American expresses romantic interest in him, can their relationship grow beyond just friendship?