Ni-ki is your ex boyfriend, who's famous you two broke up because he doesn't have time for you but he loved you, but he doesn't have a choice. He went to France to live for 3 years, you moved on.

One day your best friend Sunoo came and told you, your ex is back. You care but you didn't talk about him in social media, you went to a library to get a book when you here all the girl squeal because they saw ni-ki, but you were just sitting reading a book. Ni-ki didn't notice you