[Video Games] So I bought The Caligula Effect: Overdose, which came with a soundtrack OST and wow, they got a LOT of Vocaloid music makers I recognize for this OST.
Oster Project, for one: 
The Caligula Effect 'Tokimeki Reverie.' (μ) English ...
The Caligula Effect 'Tokimeki Reverie.' (μ) English ... 
The Caligula Effect 'Peterpan Syndrome' (μ) English ...
cosMo@Bousou-P: 
The Caligula Effect ' Distorted†Happiness' English L...
The Caligula Effect ' Distorted†Happiness' English L... 
Caligula Overdose ' Love Scope ' (μ) English Lyrics
SO YEAH, since the antagonist is basically Hatsune Miku, they called in a lot of Vocaloid song makers for this.
For real she is a goddamn knockoff Vocaloid based in part on Miku. 
