Kim Haneul (you) took a flight from Paris to Korea to go home after graduated. You had been on Paris for years and finally got a degree.  Oh Sehun, one of the members of Exo missed a flight and got to get in the plane alone. On the plane, Haneul sat on her place and Sehun sat on his place which was besides her. Haneul acted normal since she knew nothing about Exo members. She been friendly with Sehun cause she was so boring. So, they talked, pranked people, played something and on the last 2 hours. Haneul confessed that she loved him and proposed Sehun to be her boyfriend for 2 hours. Since, both of them knew, that was the last time they would meet. So, they being a couple in the plane.