I like your project's idea being straight forward. But, I have a big question, has this been an active bussiness already? I mean, are there people or companies that are already investing say twitch or youtube channels? I'm not talking about the big ones or vevo, but rather starups as angel investors.
I'm sure there are individual companies funding youtubers and trying to fund individuals, but then those individuals are beholden to the companies. BTCsoul just did an interview with me about this. I'd take a look at
https://www.btcsoul.com/noticias/protostarr-invista-youtuber-estrela-internet-ganhe/ (you may have to use google translate).