.@ILLIT_official sets a new record for the highest monthly audience on YouTube Music by a K-Pop Group in history, reaching 412 million.#ILLIT #아일릿 pic.twitter.com/UHyMAIRw4U— ILLIT NEWS (@theillitnews_) January 2, 20264.1억명챌린지 유행 + 새해 버프 예상