Sphere

Sphere (スフィア) are a Japanese pop idol group made up of voice actresses who are all managed by Sony Music Entertainment's Music Ray'n subdivision, under the Lantis music label GloryHeaven. The group debuted in April 2009 releasing their first single "Future Stream", which was followed up with the June 2009 release of "Dangerous Girls" theme used in the opening animation of the PlayStation Portable… More