After sending her husband away, mother and son were left alone together. Azusa, the mother, had been tirelessly striving to hold the family together. Her son Ryota always acted cheerful in front of her, determined not to show any weakness. Seeing his mother's struggles, Ryota was overwhelmed with guilt and a deep sense of responsibility. What could he possibly do to repay her? After much agonizing, he arrived at one answer—pleasing his mother physically, as a man. It was his own way of expressing love, to strengthen their family bond and heal his mother's heart.