Rin, a full-time housewife who has been married for five years, lives peacefully with her kind husband Kenichi, along with her kind "parents-in-law". However, Rin had only one problem. It's about the sexual harassment-like gazes and actions of my elderly father-in-law who lives with me on a daily basis...! It's a thrilling immoral, forbidden son-in-law adultery drama that focuses on situations such as "I have a mother-in-law" and "I have a kind mother-in-law right next to me"...!
