WELCOME TO BUTTERBANG'S WORLDAND I WANA TALK TO YOU THAT,HEY, DID YOU MASTER '당신도 썰렁해 질 수 있다~! (1)' ?IF YOU DON'T HAVE MASTERED THIS YET,TYPE 'N' AND READIF YOU HAVE MASTERED THIS,TYPE 'ENTER'THANK YO…