Play as Charlotte and get a perfect. Then, quickly press A, B,A ,C, A, D, Up, Down, Left.
Play as Amakusa
Enter versus mode and select any character. Lose and then save the game. Load the game and select Charlotte as your character with controller 2 and continue the game. Press start on controller 1 in the bonus phase. Player 2 will be changed to Amakusa.
Play as Kuroko (game will restart after the fight ends)
Go to versus mode and press Up, Down, Left, Up, Down, Right, and A.
Play as Shiki
Highlight Random Select and press Up, Up, Down, Down, Up, Down, Down.
Play as Zankuro
Highlight Random Select and press Down, Down, Up, Up, Down, Up, Up.