Yui runs a massage shop with her husband. Sex with her husband is plain. One day, she involuntarily gets an erection from her own massage and gets nailed to her customer's dick and gets lustful and has sex. Her Yui, who has tasted her, steals her husband's eyes and gives her customers a lascivious service. A horny little devil Yui who increases customers by word of mouth and performs H treatments one after another.
