Aina decided to play her role at the request of her husband's best friend Kimura, who lied to his parents that he had a girlfriend who was thinking about getting married. At first, she was okay with her husband's jealousy, but as she went on more dates to create an alibi, she became aware of Kimura as a man. One day, she was introduced to Kimura's parents and kissed her to prove that she was dating, but she felt a sensation that her husband didn't feel.