Naughty ladies gather at a highly-rated hot spring inn. Yuki, in a lesbian affair, is dissatisfied with her sex life with Minako... Sachi, a married woman Yuki met at the inn, is also unsatisfied with her sex life with her husband... Yuki, meeting Sachi in the open-air bath, is tempted by Sachi's voluptuous mature body, wetting her crotch. "Hey, don't you want to do something more pleasurable?" Yuki whispers her lascivious plan to the exhausted Sachi after caressing her. It was a lesbian show where Sachi's seductive charm was displayed in front of her husband...