Nayeon has an unrequited love for her childhood friend Jungkook. She had always thought of her love life as a romance novel, and believed that someday Jungkook would realise her feelings for him and the two of them could be together. Just like in the teenage romance novels. When Jungkook takes interest in Hyunji, a fellow classmate of theirs, Nayeon feels that her love life is threatened and plans to take action.