It all started with a name tag Kim Namjoo, a teenager who is well known for her effortless beauty in school has succeeded in capturing guys' hearts. Many guys flirt with her every day, giving letters and kneeling for confessions, but Namjoo never open her heart for them. Do Kyungsoo, his closest friend address him as D.O. A quiet boy who is frequently be seen with the tall Park Chanyeol. Some students don't even bother about his existence in the school. He has a unique hobby, taking selfie. The reason why Namjoo never fall for other guys is because of Kyungsoo. She has a big crush on him since the first time she saw him in the school's library. But sadly, Kyungsoo doesn't seem to open himself to new people. "Urm, can I take a selfie with you?" - Kim Namjoo © DaisyChalamet