After their informal conversation, Jong Kook and Ji Hyo became closer with each other. Ji Hyo often asks his help about her lesson when she face some struggle. With his help, the girl can understand everything easier. It doesn't mean that Ji Hyo is a stupid student, not at all. But it is feel better when she has someone Who can help with her lesson expecially when the helper is a professor.

             Now the two neighbor are used to call each other in an informal way when they are at the apartement. But once the come to the campus, they play as a student and lecturer.

              The young student just...