VENX-119 Emergency incest: It turns out that my son, who was about to get married, is still a virgin! - A panicked mother decided to teach her about sex with her own body! - ! - Eri Takigawa

Eri couldn't believe her ears when she learned that her son, who was about to get married, was a virgin. - ``But you've been with someone else before, haven't you? Have you really never had one?'' If things continue like this, their smooth marriage is in jeopardy. - "There's only a few days left until the wedding. What on earth should I do..." Feeling anxious about her son's future, Eri decides to use her own body to teach her son practical sex from scratch in order to gain as much experience as possible. - .