Kousuke, who had to live alone in the apartment where he used to live with his family due to his father's transfer, had been captivated by Touka, the married woman living across the hall, with whom he had been acquainted with the whole family. One day, Touka invited Kousuke over for tea. Although Kousuke was nervous about being alone with his crush, Touka went to change and headed towards the bedroom. Then, through the gap in the bedroom shoji, Touka's underwear was visible... Seeing this, Kousuke couldn't suppress his feelings...
