Anyang Art High School in the schhol where Prince Charming Kim Woobin and Lee Jongsuk.They are seniorsat the school. The classmate, Kim Tayeon like either one of these Charming Prince, Kim Taeyeon like Woobin, but due to a less attractive appearance Woobin not like it. Taeyeon felt unrequited love, she tried to change her appearance until the end of a love triangel that happens bettwen Woobin, Taeyeon, and Jongsuk. With whom Taeyeon later? Do Woobin or Jongsuk.