Atsushi, who is about to get married, and his girlfriend, Kana. The two of them discuss the arrangements for the ceremony at her house every day, but Atsushi stares at her mother, Yui, and doesn't care. After divorcing her husband, Atsushi was genuinely attracted to Yui, who raised her daughter single-handedly. One day, Atsushi secretly went to the bathroom while Yui was bathing. Then there is the underwear of the freshly taken off …. I can't help but pick it up and smell it, but I run into Yui after taking a bath...
