“Why are they even together?” would be the first thought that comes to mind, as Chu Sang Woo and Jang Jae Young are so different in every conceivable way. One is a robot-like engineering student who wears dark clothes for convenience and follows a strict timetable. The other is a free-spirit design major, with colorful outfits and a skateboard. When Jae Young freerides on a tea..