[Official Report] ”TWICE” and ”ITZY”'s younger sister, ”NMIXX” returns to Japan for ”NMIXX CHANGE UP: MIXX LAB in TOKYO” ”ENCORE” held with great success!

A Korean girl group belonging to a major Korean entertainment agency that produces popular artists such as "2PM", "TWICE", "Stray Kids", "ITZY", and "NiziU".