The "Blank Canvas" / Eternal Diva.

Hatsune Miku is a software voicebank developed by Crypton Future Media and its official moe anthropomorph. She uses Yamaha Corporation's Vocaloid voice synthesizing technology and has become a legendary virtual idol.

Born from a lie, ascended to a Goddess. LIKES: French bread.

Kasane Teto is a Japanese UTAU who was originally created as a troll 'Vocaloid' by fans to fool people on April Fools' Day. Over time, she gained immense real popularity.

Disinterested, phone-obsessed, 700 yen/hr part-timer.

Akita Neru is a fan-made character initially created as a troll on 2channel. She is recognized by her side-ponytail and her constant use of a cell phone. 700 yen/hr part-timer.