Hahaha exactly! Striaght after he was filled with joy, then he had his hand over his lips to remember what just happened and can't believe what just happened, but then because the camera was still filming them, he re-adjusted his suit and sat back to show that he's calm :D
wow! this is a good bts! i didnt know Xiumin was behind them all the while. look how Baekhyun was really amused at the boys, seeing how flustered Sehun was. and isnt it Kai laughing beside Baek?
+yanaVIP I think he only told them that Seungri will perform here at their area but not how he sat on Sehun and all because Sehun looked so shy about that. If you notice, Sehun wanted to stand up and bow to him but Seungri gestured him to sit