Naho has been married for five years, happily immersed in the daily life of a housewife, but lately she's been feeling increasingly exhausted. Noticing her fatigue, her husband brings home a massage parlor flyer one day after work and suggests she give it a try. Intrigued, Naho decides to visit the shop. What happens there becomes the moment her hidden desires begin to stir—something she could never tell her husband.