Yu left his family home to attend a boarding school. He successfully completed his studies and finally reached graduation day. As he was heading home, cherishing his farewells with classmates, he was surprised to see a woman waving and running toward him from across the road. She was his former crush. Reunited and overjoyed, they spent the graduation celebration night alone together. When Rinka gently kissed him goodbye after seeing a drunken Yu off, it became a warm yet bittersweet moment marking the end of his school days.