This is Servant Of Evil ~
Ignore the First 13 sec -.- its crappy ~~

i was bored ~ so i went to listen to
vocaloid's the evil story

Daughter of evil - Rin
Servant of evil - Len
The Daughter of Vengeance - Meiko ( The Hero )
Prince Of Blue - Kaito
The Daughter of Green - Miku ( The Victim )

can't find gakupo and luka's version~
or maybe don't have at all LOL !

Servant of evil is a very touching song O:
Find it at youtube ! english sub ;D
Try Listening to them its like a story mode

Listen From
Rin to Len to Meiko to Kaito To Miku
Its quite interesting ^^

for some reason im crazy over this singing program ~~~
can you believe it ? even computer programs sings now day
it sounded damn realistic ! as if a real person sing it