Three women approaching thirty appear happily engaged or married, yet loneliness and pent-up desire keep building. Ruka Ozawa, 27, faces ninety days alone while her navigator husband is away at sea. Anna Nakamura, 29, treats marriage and sex as separate matters and enjoys pleasing men other than her husband. Kaho Shibuya, 27, is frustrated because her fiancé refuses sex until their wedding. Unable to endure the pleasure they are missing, these devoted partners slip into illicit sex with other men. The result is 283 minutes of taboo thrills, seven ejaculations, and three squirting orgasms.