Yuichi, who lives in company housing, has a daily routine of looking through the window of his room and looking into the life in the room. - This is because the curtains are fully open and the boss's wife, Yuria, is fully visible in her unsuspecting housecoat and her bewitching body. - Yuichi has been attracted to Yuria ever since she was introduced to him when he came home to take care of his drunk boss. - However, the other person is his boss's wife, and Yuichi tells himself to give up because they are just looking through a window, but after a certain incident, the two suddenly become closer...