NEW KPOP FAN FIRST TIME HEARING STRAY KIDS AND CHK CHK BOOM - DEADPOOL?

Its day 9 of exploring K-pop which I haven't heard in 2 decades. I heard of Stray Kids but never heard any of their songs, came across chk chk boom, banger! official mv:    • Stray Kids "Chk Chk Boom" M/V