NACR-371 The cheating wife is having an affair with her son-in-law because she is too eager for sex.

Everything started when drunk Ryo unexpectedly kissed her husband's brother who lived with him. She continued to fulfill her housewife duties, hiding behind her husband. However, Ryo seemed to have lost affection for her husband and discussed with her brother-in-law to end this relationship. However, her brother-in-law recorded a video of her relationship with Ryo and refused to break their relationship as a shield.