Yumi and her husband have been married for a while. Recently, her husband has been working overtime, coming home late, and not eating at home, often talking to someone on the phone. She knows her husband is cheating, but she doesn't dare to say it out loud, because if she does, their family will fall apart. Aoyama is a co-worker with Yumi who often invites her out for drinks, but as a married woman, Yumi always declines. After finding out about her husband's infidelity, Yumi becomes more open to Aoyama. She also wants to have a few drinks to ease her loneliness, so she accepts his invitation. She tells Aoyama about her husband's affair, and he, having also been deceived by his girlfriend, empathizes with her. Aoyama continuously praises Yumi for being cute, which makes her feel happy and temporarily forget her troubles. Both end up in a hotel, and Yumi tells herself that this will be the only time for them, but the joy of being loved makes it hard for Yumi to stop...