Press C 4 times, if you did this correctly you'll hear a sound bite.
Press A to select Kouryu.
Original Kaede
Highlight Kaede and press C 9 times.
Press B 1 time.
Press C 4 times, if you did this correctly you'll hear a sound bite.
Press A to select O. Kaede.
Hagure Hitogata
Highlight Akari and press C 8 times.
Press B 9 times.
Wait a second.
Press C 1 time, if you did this correctly you'll hear a sound bite.
Press A to select Hagure.
Hagure Hitogata is a transforming paper doll of Akari's. Playing this character means you have mirror matches, matching your character and skill type (Power, Speed, EX).
Kotetsu Naoe
Highlight Shigen and press B 5 times.
Press C 10 times.
Press B 2 time, if you did this correctly you'll hear a sound bite.
Press A to select Kotetsu.
Kotetsu is Shigen's adoptive daughter. When you select Kotetsu through the code, you still fight as Shigen, just with different elements to Shigen's story mode, including a new intro.