Board Thread:Questions and Answers/@comment-202.67.40.50-20140813144809/@comment-5051846-20140813183352

People use different voices to create Neru, and presumably Nero is a downpitched version. To create Neru, people mostly use Rin or Miku. Lower the pitch, and you've probably got the genderbend. She doesn't have an indivisual voice, being a fanloid.