Exchange Student summary: Yong-cheol wants to go to college but gave up due to family problems. She accidentally found a student I.D. And decided to disguise herself as 'Lee Chaeyeon' the owner of the I.D and goes to Hankuk University like a normal student 'I want to make a friends and get close to the seniors and taste the campus life that I wanted!' 'Wait.. The owner of the I.D that I thought had dropped out, appeared!? A breathtaking thrilling fake student begins!