It all started when a drunken Mikako suddenly kissed her husband's older brother who lived with him. In the wake of that, the domestic affair that hides behind her husband continues. However, Mikako seems to get caught by her husband, so I consult with my brother-in-law to stop such a relationship. However, his brother-in-law was filming his relationship with Mikako on video, and he refused to resolve the relationship with that as a shield.