Just A Megumin has seen 15 bands.

Band Concerts Seen
  saturdays at your place 2 concerts
  Charmer 1 concert
  Equipment 1 concert
  Excuse Me Who Are You? 1 concert
  Free Throw 1 concert
  Harrison Gordon 1 concert
  Palette knife 1 concert
  Prince Daddy & The Hyena 1 concert
  Robo Pumpkin 1 concert
  See Through Person 1 concert
  Summerbruise 1 concert
  The Others Like Us 1 concert
  Tiny Voices 1 concert
  TRSH 1 concert
  Wise Disguise 1 concert