"The stimulation is too strong, I can't stop getting an erection...!" A seductive salon featuring my friend's mother, Yamaguchi JUL-352

Watanabe is asked by his friend's mother, Ajuri, who runs a beauty salon, to be a "test subject." His first massage makes him both nervous and excited; as a virgin, he can't handle the stimulation and gets an erection. Seeing this, Ajuri begins to stimulate his sensitive areas...