半年前から交際する彼女の家に初めて呼ばれた僕。そんな僕を彼女の母・かなさんが出迎えてくれた。もの凄く綺麗で、スタイル抜群で…魅力的なスーツ姿を見て、彼女そっちのけで緊張と興奮が押し寄せてしまった。かなさんは保険の外交員で「賢二くんもそろそろ将来考えてみない？」と卑猥なボディタッチを織り交ぜながら勧誘をしてきた。大人の色香に僕の股間はカチカチになってしまったのだが、かなさんはそんな僕に気付き、彼女にバレない様に手でスッキリさせてくれた。それからというもの彼女の家に行く度、彼女に内緒でかなさんと逢瀬を繰り返して…。

I was invited to my girlfriend's house for the first time, after we'd been dating for six months. Her mother, Kana, greeted me. She was incredibly beautiful, had an amazing figure, and looked stunning in her suit. Seeing her, I was overcome with nervousness and excitement, completely forgetting about my girlfriend. Kana is an insurance salesperson, and she tried to persuade me, saying, "Kenji, shouldn't you start thinking about your future?" while making suggestive physical contact. Her mature charm made my crotch rock hard, but Kana noticed and relieved me with her hand so my girlfriend wouldn't find out. Since then, every time I go to my girlfriend's house, I've been secretly meeting with Kana behind her back…