It's not on scribblehub since it's originally in Chinese, but this is probably one of the best fanfiction I've read, and definitely the best Witcher fanfic I've read. https://www.novelupdates.com/series/the-divine-hunter/
I don't like this trope either, but when done right it can provide additional context that makes a story feel less flat.
In Kumo Desu Ka Nani Ka (the original webnovel at least) it switches between Kumoko, and her classmates often, but it feels really awkward to read, because the sequences are...