Tatsuo, who moved to Tokyo for college, was enjoying his new independent student life and gradually becoming more confident, developing an interest in romance. However, as the loneliness of living alone set in, he began to feel homesick and found himself thinking more and more about his mother. When his girlfriend expressed interest in seeing his childhood photos, Tatsuo seized the chance to return home. Upon visiting with his girlfriend, he suddenly became aware of his mother, Kuroyanagi Misako's, allure—something he had never noticed before. Her beauty radiated a deep, mature femininity far beyond anything he had ever experienced. Her warmth, kindness, and unique charm began to stir powerful emotions within Tatsuo, profoundly affecting his heart...