Our Korean teacher Soy joins us in the studio for another fun round of Korean class! Get to know useful Korean expressions through with Xander, Killa, and Soy! Learn the expressions 철벽 and 오락가락 with us. Also, let's try to read the lyrics of BoA's new song, 'Cloud'. Last but not least, don't miss out on the fun Korean quiz Soy has prepared for our DJs!