Miki accidentally witnessed her son's friend, Hiroki, masturbating while he was staying over. Tickled by a playful impulse at the embarrassed Hiroki, Miki invited him to drink with her and seduced him. However, one release wasn't enough for Hiroki's insatiable prowess; his relentless member ravaged Miki's body repeatedly, ejaculating over and over again... From that day on, Hiroki visited frequently, continuing their physical relationship. But faced with his incredible stamina, Miki's body began to cry out in distress...
