Yamato, a refined top with a princely aura, stumbled upon a porn video featuring Jin, a wild top, during one of his visits to a gay bar. After hearing about Jin's exceptional sexual skills, Yamato's curiosity as a fellow top was piqued, prompting him to visit Jin and request his expertise. However, Jin's terms were to teach through practice, which is where their story begins. The series can be found in the sequential anthologies of 'Qpa Magazine', with chapter one in Qpa Vol.121, chapter two in Qpa Vol.124, chapter three in Qpa Vol.126, and chapter four in Qpa Vol.128.