Eri couldn't believe her ears when she learned that her son just before marriage was a virgin. "But you've been dating someone else, haven't you? Haven't you really done it even once?" "There's not a date until the wedding. What should I do?" Eri, who was worried about her son's future, practiced sex with her own body from scratch in order to make her son gain as much experience as possible. Decide to educate.
