JUY-719 Madonna's exclusive active receptionist's first drama work! - ! - I was supposed to practice sex with my daughter's virgin boyfriend, but I woke up to a runaway locomotive that wouldn't stop no matter how many times I cum! - ! - "Even though I was a virgin, I underestimated the sexual desire of young people..." Satsuki Honjou

Satsuki is happy that her daughter has a boyfriend. - One day, when I returned home after forgetting something, my daughter had brought her boyfriend, Okamoto. - When I peek into the room to see what's going on, I find that it's their first time having sex and it doesn't go well and it's awkward. - Satsuki, who wants to support her daughter's love life, decides to become Okamoto's training ground so that he can gain confidence. - However, Satsuki's plump body excites Okamoto more than he imagined. - It was supposed to be just bare legs, but it crossed a forbidden line, and his erect penis lost control like a runaway locomotive.