Uno Tamaki, 30 years old. She has been married for nearly two years and maintains a good relationship with her husband, making love about once a week. However, she harbors a secret she can't tell him. During her student days, she once got drunk and ended up at a love hotel with her boyfriend—an incident that left a deep emotional scar. That experience triggered a craving for forbidden pleasure and the thrill of stepping outside societal norms. Unable to find complete satisfaction in her otherwise peaceful married life, she began seeking new immoral experiences, all of which are documented here.