As a rare custom in modern times, the Kitajima and Yamaguchi families had long agreed to arrange a marriage between their children. However, Kitajima Nanako, the daughter of the Kitajima family, was unaware that her future husband was still very young. Confused yet innocent and optimistic, she unintentionally draws her future husband to her with her cheerful attitude. As a result, she ends up experiencing her wedding night far too early. Nanako's gentle expression and voluptuous body will undoubtedly plunge readers into a whirlpool of excitement. Her pure emotions and irresistible charm will deepen the story's intensity.