Hirosuke, a friend of my son who started working earlier, came over for a visit after a long time. Ayaka was favorably impressed by his mature demeanor, unlike her student son. Intrigued by the work-stressed and sex-deprived him, she playfully tries to seduce him... However, she's driven to the brink of insanity by his relentless, insatiable fucking that never seems to fade! Even after that, Hirosuke's insatiable desire for Ayaka continues day after day, and her body finally reaches its limit...