When You’re Targeted by the Bully

When You’re Targeted by the Bully summary:

One day, Kim Yeondoo, an ordinary high school girl, is suddenly terrorized by her former friend from middle school and stalker in KakaoTalk. In order to stop this, she changes her profile picture to a picture of a random guy and posts him as her boyfriend. But, it turns out that the picture she used is the school’s scariest bully, Ji Hyunho?!