`` This is the worst thing it could happen ... '' Yesung thought , but before he could n't even allow a tear to run down his face , he heard a door open and he knew he had to leave Siwon 's room . He placed the notebook on top of Siwon 's desk like it was before and ran towards the living room . Fortunately for him the younger was n't there already so he just seat on the couch and pretended to be asleep , just like before .
He could feel his heart hurt so much , but he did n't wanted to show .
Emotion: Sadness