It's quiet and unfriendly, but I got married because I was attracted to the seriousness of people, but ... I'm not bad at all, but Eri sometimes felt a crevice in her heart. One day, she is asked by Oshima, a cameraman who lives in the same apartment, to become a model. Eri is attracted to the charm of Oshima, which is 180 degrees different from her husband. Eri, who has finally formed her physical relationship, tries to put an end to her relationship with her Oshima in an attempt to get out of her guilty feelings towards her husband.