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IOI
IOI's 10th anniversary concert title track '갑자기' hits #1 on music charts; concert airs on MBC June 13
·Curated by the KTRENZ editorial team
Cover story · Comeback Decoded
IOI's 10th anniversary concert title track '갑자기' hits #1 on music charts; concert airs on MBC June 13
IOI reunited for their first full-group concert in 9 years to mark their 10th anniversary. Their title track '갑자기' hit No. 1 the same day.
By KTRENZ Newsdesk · 6/10/2026
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