>>52381626She has the power of friendship on her side.
She made friends with people who taught her how to rap, how to sing, how to mix tracks, how to stream, etc, all for free. And she used those skills and connections to use the resources of Hololive to their fullest, doing more than just streaming Vidya and the bare minimum needed to be called a 'musician'.
I'm happy Bae and Kiara are following in Mori's footsteps and are working on their own EPs. 