Yukiko was married to Hajime at her age of 30. But Hajime rarely mentioned her in the 6 years’ marriage life as a husband, until he met Shimamoto again at his age of 36. The author only slightly mentioned her. However, the image of Yukiko as a wife is still pale. Until the end of story, Yukiko as a woman and a wife had the first initial conversation with Hajime, while he feels helpless since Shimamoto left. Her figure was clearly fleshed out, and played a vital role in the end of the story, such as she pointed out Hajime is egocentric, and he only pays attention to his own feelings while ignoring other people's feelings, especially her psychological process in the marriage life. In addition, she has been acting as a traditional wife who always listen to her husband, but suddenly standing in a strong position in the end and lecture the husband how to be a better man. She is the person who can love and light up others in love, and only her love is not destructive in this novel. Her husband's betrayal once made her desperate, however she returned to love and opened her heart to accept her husband.