Dai, who was ignorant about sex, didn't know how to release his erect penis and spent his days in frustration. At such a time, he mustered the courage to consult with Touko, the mother of his friend who always treated him kindly... Learning of his troubles, though confused, Touko secretly gave him sexual guidance. Then, Dai, overwhelmed by the first stimulation and pleasure, lost himself and ended up pushing Touko down. Thrashing his hips like a monkey, he stimulated her deepest parts with his penis, causing Touko to reach orgasm continuously…
