Play as Kouryu:
     Highlight  Kaede  at the character selection screen, then press X
ten times, B five times & X four times.

Play as Original Kaede:
     Highlight  Kaede  at the character selection screen, then press X
nine times, B, X.

Mirror matches:
     Highlight  Akari  at the character selection screen, then press X
eight times & B nine times.

EX mode:
     Select  Speed at the character selection screen, then press X six
times, Left, B threee times, Right, X four times.