Characters...
	Costumes...
	Misc...
	Special faces...

Watch the following PV to unlock the characters. Character can be changed in option menu.

Character	How to unlock
Len	Servant of Evil
Luka	No Logic
Meiko and Katio	On the rocks
Rin	Daughter of Evil

Costume	How to unlock
Any other Costume	Select the song PV mode that is related to the Character. Watch it until the end menu appear.
Mikurisutaru Costume	Get SS Rank (Perfect) in a song (Any difficulty)
Snow Miku Costume	Buy 10 costumes for Miku.

Unlockable	How to unlock
New Room Designs	Idle in the room screen for a few hours.
Sound Effect Type 3 and 4	Get SP ALL in all song (any difficulty).
Use Mii in AR Live Mode	Buy all costumes.

In the character select screen, there will be a negi button above some of the characters' names that will change their facial expression.

Unlockable	How to unlock
Hachune Miku	Watch the ending.
Hero Kaito	Wave the glow stick in sync with the ending.