Completion bonuses
Successfully complete the game to unlock Kondo, Hijikata,
Okita, Sanosuke, and Nagakura as playable characters and the versus
mode option. Complete the game again using your previously cleared
save to unlock additional characters for versus mode. Also, when
playing another game with your cleared save, press [R1] at
the status screen to see the Shinsengumi uniform on the dog.