結婚して7年、夫の実家で義父とともに暮らしています。堅実な夫と穏やかな義父は昔から反りが合わないようで、家庭内はいつも険悪な雰囲気でした。生真面目な夫の性格は夜営みにも表れていて、子作りに対して遠慮がありません。計画的に、まるで作業のように行われる子作りに満たされるどころか行き場のない欲求が溜まるばかりでした。そんな私たちの営みを義父は盗み見ていたようで、ある夜、夫と子作りしたあと義父に声をかけられて…。

I've been married for seven years, and I live with my father-in-law in my husband's family home. My steady husband and my gentle father-in-law have never gotten along, and the atmosphere in our home has always been tense. My husband's earnest nature is also reflected in our intimate life; he has no reservations about making a baby. Instead of being satisfied by our planned, almost mechanical attempts at procreation, I only end up with a buildup of unfulfilled desires. It seems my father-in-law had been secretly watching us, and one night, after my husband and I had sex, he approached me…