By completing Story Mode on progressively harder difficulties, you will unlock more playable characters as a result. M and Cocoa can be gotten with Infinity and Nagi if you beat the game on Normal first.
| Unlockable | How to Unlock
|
|---|
| Infinity and Nagi | Beat the game on Normal.
|
| M and Cocoa | Beat the game on Easy.
|
| Mikoto W and L | Beat the game on Hard.
|
