"I thought I was being serious about our marriage..." These words mark the beginning of a rift in the relationship. Troubled and desperate, she escapes reality by meeting a man she connected with through a dating site. Determined this will be their last encounter, she seeks out extreme pleasure. At an onsen town, Nanase wears a remote-controlled vibrator, writhing her hips in shame and ecstasy. What happens when a sheltered married woman crosses the line just once? The appearance of Ikuta Aoi is also one of the highlights.