dead master vocaloid.... who is she??
dunno... maybe Black Rock Shooter's master or rival. Maybe partner. Dunno -_-'
http://danbooru.donmai.us/wiki/show?title=dead_master:
Character: dead master
デッドマスター
A green-eyed, black horned girl, who is the antagonist of Black Rock Shooter.
She sports thin black wings on her back, and has two large hovering skulls as companions. She also carries a scythe.