I.O.I (아이오아이) '갑자기' Jacket & MV Behind 1

I.O.I
Official X : x.com/ioi_10th
Official Instagram : instagram.com/ioi_10th
Official TikTok : tiktok.com/@ioi_10th
Official FAN COMMUNITY : artist.mnetplus.world/main/stg/ioi10th

아이오아이 IOI
IOI_LOOP 갑자기 Suddenly