Koharu, who is expected to do well in the track and field club, receives one-on-one instruction from the coach during training camp. However, what the coach sees is not as an athlete, but as a female... The unscrupulous coach attacks Koharu's slender body, which has been given an aphrodisiac in a despicable way and is in heat. He heightens her sensitivity with an obscene massage, makes her cum with a sexual harassment toy, and thrusts his virile penis into her big ass, which has been made slippery with aphrodisiac oil, for intense piston-like action! He continues to make her cum, neglecting practice, and engages in a 3P piston-like attack! Her nipples are rock hard, and she squirts and cums like crazy during this drug-induced training camp.