To change any character's colors, press and hold ''START'' and press any button while selecting your character.
To have the game as a ''story mode'' you must pick 2 characters from the same school, then in-between the stages little storylines will playout.
School/Students
Taiyo/Hinata, Batsu, Kyosuke
Gedo/Gan, Edge, Akira
Pacific/Roy, Tiffany, Boman
Gorin/Shoma, Natsu, Roberto
Justice/Kyoko, Hideo
To see the REAL endings to this game, get up to Chapter 7 and beat either Raizo, his partner, or both and you MUST do this with a TEAM UP MANUEVER. After that you'll face the real boss, Hyo. Beat him and the real character endings and credits will appear.