PEAK GOONER FICTION

Genuinely tweaking over this. MC goes to visit his uncle's barn and learns that all the livestock there are human-animal hybrids. Being a horny bastard is in his nature so when he sees a cow man getting milked, he gets his tonge out and gets on all fours like, GYYYAAAAATTTTTTT

It's a sequel for another manga that's not as good. MC is a wolfman who tried to burn down a storage house that belonged to the three little pigs, like the fairy tale. MC gets captured by them instead and gets turned into a sex slave.

MC is the demon king fated to destroy the world but the world progressed way beyond middle ages and nobody gives a shit anymore. The demon king is broke as hell because he's not even allowed to raid cities in fear of getting arrested. He decides to be a sex worker for money and everyone he's destined to fight is lining up the door to fuck him.

Pretty much every fetish you can think of, it's in the manga

MC is the only person left at the dragon prince's castle because the prince's egg didn't hatch for years. MC eventually goes insane and starts obsessing over sex toys. Dragon finally hatches and apparently he heard every time MC monologued about sex toys and wants to try them on MC. They meet all sorts of magical men and MC gets fucked by all of them.

In a world full of werebeast people, human dilf MC is working as an editor in a publishing firm and Werewolf ML is a writer obsessed with Monster x dilf stories. MC eventually gets curious about ML's dick and they start fucking.

MC is a magician studying a curse until he suddenly gets falsely accused of treason. He runs to a cursed forest and meets the infamous evil knight man. He's convinced he can cure the knight with sex but the knight is a virgin so they're having some difficulties

MC is a classic hero going from adventure to adventure but he's so unlucky he keeps getting captured and fucked by every single monster types.

Hero x Prince chapter compilation for the manga above.

humans exist in an alien planet and they're ant sized compared to the life there.

ML receives a revelation that if he marries another titan, the world will end or whatever. He isekai's the MC so they can marry and oh my god MC's organs are crying