Everything started when Hijiri, drunk, unexpectedly kissed her husband's brother, who lives with her. As a result, she continued to cheat on her husband in secret. However, Hijiri asked her brother-in-law for advice: it was time to end this relationship because my husband would find out. However, the brother-in-law recorded a video of the affair with St. and refused to end the relationship with her as a safeguard.