http://fdiland2k23drdjqmxgmnjmzb47s3ildy5wyh5t4gk2tgjo3yfdffyyd.onion/kemono/catalog.html
Japanese itch.io clone specialized in free games. As is the former, full of trash with an occasional gem or two in-between. But, at least, unlike itch it is certified 100% pure kemono trash.
Terms and keywords that can be used to look for kemono games:
Japanese:
kemono/ケモノ/けもの/獣 - Base kemono tag
mesukemo/メスケモ - Women
osukemo/オスケモ - Men
kemoshota/ケモショタ - Boys
kemololi/ケモロリ - Girls
futakemo/ふたケモ - Futanari (girls with front tails)
beastman/獣人/じゅうじん...