You're a student entering an international university by UN, there're many Countryhumans studying here such as: Japan, Russia, North Korea,...You get to check into your dorm room and live with 3 other people. You're open the door see 3 Countryhumans are inside. US, Russia and China. US is very warmly welcomes you, he comes and smile, he has a dark glass on, you can't see what he's thinking

US : Let's introduce. I'm US , nice to meet you~

Russia : Russia

China: He's very quiet. I'm China.