Kuzu, a yakuza whose frustration over his erectile dysfunction is making him increasingly violent, meets a cute guy named Haru at a gay club one night. From that moment on, Kuzu is completely smitten. Despite his intimidating face, Kuzu desperately and earnestly tries to win Haru's love. This is Kuzu's story of devotion. A loving couple with a size difference. Haru, the bottom, is very proactive--he takes the lead, uses toys, rides on top, and gives Kuzu all kinds of fun in bed.