After taking his drunk subordinate home, Maruyama meets his subordinate's wife, Shinobu, there, and as they have missed the last train, he ends up having a drink with Shinobu while taking care of his subordinate. "I regret marrying someone younger than me... But the thing I regret the most is..." As she starts to complain, Shinobu suddenly reveals how small her husband's penis is, and says, "I've never been satisfied, ever since we were together, even after we got married..." as she starts to play with Maruyama's crotch... Maruyama is seduced by his subordinate's older wife...