Sayama Ai was the person Yukio helped on the road because he lost his phone. From then on, they saw each other as friends and invited them to his house. After many times, they felt closer and liked each other, even though he was married. But his family was not very happy, so they kept each other company and confided in each other and then one day they complained that each other was more than friendship, both realized that this was love, waiting for the time when his wife took him on a business trip. lover comes home and xxx.