Test your k-pop knowledge. Who is this group that debuted on September 7, 2015? Hint: Their fandom name is My Day 마이 데이. Watch the latest video, from this ‪@JYPEntertainment‬ now! Young K's ‘Shut The Door’. Join us. Tune in. Hear them and more k-pop groups. We're K-Pop Highway Radio®. Your road to (the hottest) k-pop, since 2016. 

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