After marrying the son of the prestigious Kitagawa family, Hitomi begins living with her husband and his father-in-law. Though she lacks proper etiquette and manners, her father-in-law treats her kindly, understanding she's a young bride. One day, tea master Tabyuchi from next door visits and, witnessing Hitomi's improper behavior, decides to teach her proper conduct. Under the strict guidance of her father-in-law and Tabyuchi, Hitomi's bride training begins. As the teachings delve into the Kitagawa family creed of "serving with a naked heart," her big tits face a new trial.