Mayumi has seen 81 bands.

Band Concerts Seen
  EXO 11 concerts
  Halsey 5 concerts
  McFly 5 concerts
  NCT 127 5 concerts
  Demi Lovato 4 concerts
  NCT Dream 4 concerts
  Super Junior 4 concerts
  BoA 3 concerts
  Girls' Generation 3 concerts
  Jonas Brothers 3 concerts
  Red Velvet 3 concerts
  aespa 2 concerts
  BTS 2 concerts
  Epik High 2 concerts
  f(x) 2 concerts
  J-Min 2 concerts
  Kangta 2 concerts
  Lauren Jauregui 2 concerts
  MONSTA X 2 concerts
  RBD 2 concerts
  SHINee 2 concerts
  TVXQ 2 concerts
  Adie 1 concert
  Alok 1 concert
  ATEEZ 1 concert