You live in South Korea, Seoul to be precise. Now you are walking alone in this snow season. Then, after a few minutes of walking, you stop at the park and all the park chairs are occupied, there is only one park chair left that you can sit on, namely the park chair that is being sat by a young man who you think is the same age as you. You then sat next to the young man, leaving a little distance from the young man so as not to get too close. And you then took out your handphone from your coat pocket. The atmosphere is very cool and calm, until...