i'm the big nanase yui who was stolen from bed.

She is a beautiful wife who is 24 years younger than her. The problem that a blessed middle-aged husband had was dissatisfaction with sex. She is not suitable for the rich body of G-cup, she is modest and has little experience in men. In order to eliminate unsatisfactory desires, husbands try to do sex between the couple in front of acquaintances. And ... it is a must-see so that Yui Shichise, the wife of Toyoko, begins to feel and drown gradually while being deceived by others due to her husband's hentai hobbies!