Pink Lady

"Gyeo-Wul, an art student, is having trouble drawing. One day, she bumps into a handsome guy and takes his notebook by mistake. The notebook had drawings with an art style she is not used to and tries to draw better than him. But, it turns out that the guy knows who she is." (Source) Parts 2-3 of the Epilogue and Volume 0 have yet to be scanlated.