Sasaengdol 

Top Idol and school bully switched bodies?! Hong Joo-Ah, a school bully who is bullied every day at school. Yo-Han, a top idol loved by the entire nation. Joo-Ah envies the life of a beloved idol, while Yo-Han envies the life of a normal, free person. One day, their bodies are switched! A spectacular body-swapping romance, Sasangdol!