Daisuke Suzui, the spoiled heir to a local hospital, lives an idle life despite being an adult exam candidate. After the Kuroki couple move in next door, Kotone visits Daisuke and is pinned down by him while he is distraught over failing his exam. Still believing that he is decent at heart, she encourages him, and her support inspires him to start working. Wanting to answer his feelings, Kotone wrestles with her fidelity as she writes her husband a false letter saying she will spend the night at Hiroko's house.