Pop Out Boy! Season 1 Trapped at School, Just Us Two

Han Sun Nyeo found out that she has the same name and the look of a character in a love story cartoon that has been over 10 years. She read that cartoon with curiosity and fell asleep. When she woke up, there is a pop out boy Cheon Nam Wook next to her on the bed. From the moment he popped out of the cartoon, Sun Nyeo's school life goes complicated.