There's a growing buzz among moms about "female-only sex establishments." Just as married men used to believe visiting a sex club wasn't cheating, now married women are hopping on the bandwagon too. Miho, who had settled into a routine of motherhood and ordinary days, found herself craving a little excitement. She booked a session at a female-only sex club, figuring it wouldn't be cheating as long as she just indulged in some pleasure. But she got swept away by the sheer bliss and ambiance, and unsettling changes began to stir within her, changes unbecoming of a married woman... .