Completion bonuses:
Complete the game to unlock all entries in the BGM menu and some of the conversation voices.
Unlockable characters:
Unlock the following characters by completing the game with the corresponding characters winning the “Miss Youkai Gakuen”:
CHARACTER – HOW TO UNLOCK
Kotori Ginarayu – Moka, Kurumu, Yukari, or Mizore winning the contest.
Ruby Toujou – Kotori winning the contest.?