Play as Burning Batsu
Enter story mode and select Taiyo Gakuen. Intentionally have Batsu lose one round to Akira, Yurika, or Zaki. Iincyo will replace Batsu after the match. Burning Batsu will appear when fighting Vatsu.

Play as Powered Akira
Enter story mode and select Seijyun Syogakuen. Defeat Wild Daigo without using a team up technique.

Play as Roy Bromwell and Tiffany Rose
Successfully complete story mode with Pacific High School.

Play as Vatsu
Successfully complete story mode with Gorin Koukou.

Play as Wild Daigo
Successfully complete story mode with Gedo Koukou.

Play as Hyo Imawano and Dark Side Student Council
Successfully complete story mode with all the normal schools. Hyo will be unlocked in arcade free mode, versus mode, and training mode and the Dark Side Student Council will be unlocked in story mode.

Play as Kurow
Successfully complete story mode with the Dark Side Student Council.

Play as Demon Hyo
Successfully complete story mode with all schools and endings