makoto leads a school life while living in a dormitory. three fulfilling years came to an end in the blink of an eye, and the graduation ceremony finally came. at home, mariko, the woman he longed for, remarried his father, and was so embarrassed that he hardly ever returned home. however, on the way home, mariko, who became a mother-in-law, suddenly came to celebrate her graduation. that night, at the hotel, she gently kisses him, saying, “a present for grown-up makoto.” guided by his longing mother-in-law, he climbs the stairs to adulthood again.
