The sixth installment of a documentary-style infidelity observation series, where a husband living in Nagoya introduces another man to his wife. The husband harbors a desire to be cuckolded and invites his senior colleague—an experienced man from Tokyo—to stay at their apartment. The man exudes charm and gradually draws the wife's affection. Over the course of three days, the couple's relationship begins to shift. In the end, the wife's long-suppressed desires drive her to rush 350km from Nagoya to Tokyo.