yu leaves home and enters a dormitory school. his student life ends in the blink of an eye, and it's finally graduation day. as he walks home with his classmates, he sees his beloved stepmother ayano waving at him from across the street. yu's heart races with excitement at the reunion. that night, ayano, who is happy for yu's graduation, gets drunk at their private graduation party. yu takes ayano to the hotel. upon arriving at the room, ayano says, "a present for yu, who has become an adult," and gently kisses him.
