Suspecting her husband, who was away from home for work at night, and wondering if he was cheating on her, she had a big fight and ran out of the house, but she was at a loss as to where to go... Then, she happened to notice a sign on a telephone pole advertising a roommate, so as a last resort, she called and went to the house. Attracted by the kindness of the man she ended up sharing the room with, which was different from her husband, Minori felt erotic feelings from her faint love and the sense of immorality of keeping a secret from her husband, and gave herself to the roommate to comfort herself...