Her life with her beloved husband is going well. They flirt and have sex at night, lick each other in 69, and have raw sex and creampie! Yui was living such a happy life, but one day, she meets her childhood friend, who was also her first love, and receives a passionate approach. The man seeks Yui's body with forceful kisses and fingering, and makes her give him a blowjob and cum in his mouth! From that day on, Yui also begins to think of the man, and calms her body with masturbation, but... she finally heads to the man's house, and burns herself with passionate kisses and intense adultery!