@K1LL3RX2@SHADY6431@ShiinaBR Actually, Miku and Teto are used for many genres . It just so happens that most songs are pop. There's most definitely been rock music made with Teto and Miku. It's more-so that pop music is more popular in the Vocaloid community so that's primarily what's made.
@Clxkky@monksthemonkey@HYPEX she was initially non-canon. However, Neru has become canon thanks to Krypton recognising her, as seen by her making an appearance in Project Diva.