There's a tag for that, why not look yourself? I'm surprised there's even 3 pages. https://www.novelupdates.com/series-finder/?sf=1&tgi=6359&mtgi=and&sort=srate&order=desc
no, this is an actually valid request. Many novels, like dominion's end for example, have a bisexual protagonist who will only engage one sex in the story if you're okay with raw futa smut https://www.shubaowen.com/book/46032.html