Be King in Free & versus Modes
Finish story mode using Haru.

Be Aniki in Free & versus Modes
Finish story mode using Musica.

Be Gale in Free & versus Modes
Finish story mode using Shuda.

Be Poosya in Free & versus Modes
Finish story mode using Elie.

Be Sieghart in Free & versus Modes
Finish story mode using Go.

Edit Your Own Story
Finish story mode using all 5 default characters.

Beast King
Beat story mode with Haru on hard without using continues, and then beat Beast King.

Play as Reina
On the title screen, press UP, UP, DOWN, DOWN, LEFT, RIGHT, LEFT, RIGHT, B, A.