Fight as Special Raiya:
Complete story mode with Raiya under normal difficulty level.

Fight as Anime Reika:
Complete story mode with Reika under normal difficulty level.

Fight as Robo C.:
Complete story mode with Chibi under normal difficulty level.

Fight as Panda:
Complete story mode with Marie under normal difficulty level.

Fight as Akane:
Complete story mode with Kiriko under normal difficulty level.

Fight as Lina 2:
Complete story mode with Lina under normal difficulty level.

Fight as Critical H. Star:
Complete story mode with H. Star under normal difficulty level.

Fight as H. Mysp:
Complete story mode with M. Pow under normal difficulty level.

Fight as Anime Kiriko, Anime Bin C, and Anime Lina:
Unlock all the previously described hidden characters. Complete arcade mode with each of those characters under the hard difficulty level.