Makoto Toda is a married girl, her husband works in an office and she is a housewife. Because of her flirtatious personality, Makoto went to the gym with the intention of finding a guy to have sex with. The chosen guy is the PT (personal trainer), a guy with big muscles and a gentle personality. He was indeed a lucky man to enjoy the taste of a beautiful young married woman for free. This couple's secret sex sessions in the gym bring an indescribable pleasure.