Mystery Freshman (2016)

A-Young (Nam Ji-Hyun) fails to enter Myungsung University again. This is her second time she has been rejected by the university. A-Young lies to her family and tells them that she got into the university. Her cousin Jung-Eun (Lee Jini) is a freshman at the university and becomes aware of A-Young's lie. Jung-Eun asks A-Young to attend her classes and pretend to be her. A-Young meets Min-Sung (Yeon Joon-Seok) at the university. He is freshman and has a secret.