Her husband is a senior at the same university, and it is said that Rika's love at first sight led to her dating and marriage. It seems that he had sex almost every day while living together before marriage, and it continued for a while after he got married. However, the number has decreased since half a year ago, and now it is on weekends. My husband thought he was tired from work, but he noticed something wrong with his husband. I used to go out as a couple on holidays, but recently I've been saying that I'm going fishing with my colleagues and I've been going out alone. One day, when he witnessed his husband at the nearest station, he witnessed a surprising sight ...