The husband, both physically and sexually weak, bored his wife, so she slept with a colleague from her company. Hana Aoyama and her husband had just moved to a new house, and since her husband was too weak to help much with moving, she asked a male colleague for help. After they finished moving, the three of them sat in the living room talking, and the colleague advised her husband to go to the gym to have a healthier body. Not only was the husband not healthy, but his sexual performance was also weak; almost every time they had sex, he couldn't maintain an erection for long. The next day, the colleague returned under the pretense of having lost his watch and wanted to check if it had fallen out when they were moving, but in reality, he was pretending to come over to seduce Hana Aoyama. Because she was bored with her weak husband, she easily agreed to the advances of the colleague. Since that day, she often refused her husband when he suggested having sex. When her husband was out, the wife called a colleague over to have sex, but the husband, halfway, forgot some documents at home and returned to get them, only to find the two of them in the act. With weak sexual ability, he had to accept sharing his wife with another man... Poor husband can only sigh and let his wife be with someone else without daring to do anything, blaming himself for his weakness in satisfying her.