Aihara-san, a married woman, continues to appear in adult videos because "if it makes her husband happy." In this film, her husband personally arranges a certain hot spring famous for swapping, and they go on a two-day, one-night cuckolding trip... At first, she is shy in front of the customers, but once the swapping play begins, she forgets about her husband and becomes sexually aroused by her desires. The true erotic nature hidden behind the excuse of her husband is awakened.