It all started when Shiori, drunk, suddenly kissed her husband's older brother who she lives with. Since then, she has been having an affair within the family without her husband's knowledge. However, Shiori is worried that her husband might find out, so she decides to talk to her brother-in-law about ending their relationship. But her brother-in-law had been recording videos of their encounters and uses them as leverage to refuse breaking off the relationship…
