You and KiYong have been close friends since adolescence. He has always been in love with you, but he has never had the courage to confess his feelings to you. You also came to feel something for him, but you have ignored those feelings, thinking that they were simple illusions from his youth. To try to forget about him, you started a relationship with another boy, but this relationship became toxic over time. He turned out to be unfaithful, and their relationship ended in a painful breakup.