A mediocre person troubles himself, which means asking for trouble. Since you are a mediocre person, why bother worrying about others and looking for trouble? The story is written from campus to entering society. They have different ideas about life and love, and how they will deal with it. The heroine and Jungkook met in high school, but they are different. Although the simple love between the separation and reunification is calm, it also touches the heart.