After drinking an aphrodisiac, sensitivity increased 100%. Mother and son frantically begged for intense penetration. (Shiraki Yuko, VENX-136)

Yoichi's love for his wife, Yuko, is boundless, but lately he's been lacking in sexual desire. Worried that this will eventually exhaust Yuko's tenderness, Yoichi secretly buys aphrodisiacs. However, while Yoichi is away, Yuko and their son, Kota, drink a beverage laced with the aphrodisiac. Yuko, feeling feverish and experiencing uterine discomfort, and Kota, with his erection, gradually lose their rationality and engage in a passionate physical encounter. Lost in pleasure, the two realize the cause of their mistake is the aphrodisiac, but…