Rosario to Vampire (Nintendo DS)
CheatingDome.com
Characters
Successfully complete the game with the indicated characters winning the "Miss Youkai Gakuen" contest to unlock the corresponding new character.
Kotori Ginarayu: Moka, Kurumu, Yukari, or Mizore winning the contest.
Ruby Toujou: Kotori winning the contest.
Completion bonuses
Successfully complete the game to unlock all entries in the BGM menu and some of the conversation voices.