It tells the romance of Chun Namwook the main male character of a manhwa of more than 10 years old who appears in front of the high school girl Han Seonyeo. Inside of the manga “Seonyeo and Namwook” he comes from, the lead female character is also named Seonyeo and she looks like her. Seonyeo’s school life stars to get twist when Namwook comes out of the manga and began to live with her under the same roof.