Koji has seen 25 bands.

Band Concerts Seen
  B.I. 3 concerts
  SEVENTEEN 3 concerts
  iKON 2 concerts
  NCT Dream 2 concerts
  ATEEZ 1 concert
  B.I 1 concert
  BoA 1 concert
  CHANGMIN (TVXQ) 1 concert
  CHEN (EXO) 1 concert
  EXO 1 concert
  EXO Chanyeol 1 concert
  EXO-SC 1 concert
  EXO Sehun 1 concert
  G22 1 concert
  Ian Veneracion 1 concert
  K-POP Masterz 2 1 concert
  K-POP OVERPASS 1 concert
  MAKI, Adie, Seori, Darren, Melomance, Moira, Wave to earth, Ben and Ben , Suho 1 concert
  "Music On Festival" 1 concert
  NCT 127 1 concert
  Pilita Corales 1 concert
  TVXQ 1 concert
  XIUMIN (EXO) 1 concert
  Youngjae 1 concert
  YUNHO (TVXQ) 1 concert