A popular work by Kouyachou is reborn with AI digital remastering! Enjoy the high-quality visuals powered by the latest super-resolution technology. The glistening sweat, the swaying breasts, the rippling muscles, the tangy body odor... Under the guidance of an erotic coach, she pursues pleasure through every sensation in her body, aiming for a more toned physique with sex training. Her sensitivity increases with cock insertion exercises, proving that women become more erotic when trained.