If you're looking for manga similar to Castehate, you might like these titles.
In a world where half-humans who evolved distinctly from animals reside, a tough and hardheaded wolf named Shirou is often misunderstood due to his gaudy appearance. Shirou is in love with Usami, a rabbit with eye-catching brown skin. Though Shirou being a carnivore has Usami on edge, after the wolf saves him from a pervert, Usami shows a vulnerable side to Shirou that no one else can see. But then, Shirou starts to want to mate with Usami!
2 votes
Castehate is omegaverse, but Ookami-kun wa Kowakunai also contains heats and the urge to (sexually) dominate the 'lower classes'.
They both have similar animal themed romantic stories. Very Cute bxb animal human stories. If the animal aspect of one is somthing that somone liked they are sure to like the other story.
Makoto has long been ostracized because of his odd hobbies and a sexual kink others would see as disgusting. One day he finds a book on summoning demons and manages to summon the intimidatingly beautiful and rather chatty Archduke J. The demon offers to grant Makoto’s deepest twisted desire in exchange for his life. Once Makoto has sated his demented appetites, he fulfills his end of the bargain, only to find he’s been reborn as a monster…in hell!
1 vote
although Castehate is considerably less graphic, both titles have an impressive amount of disturbing content: vore, sexual disorders, cannibalism, etc. some kind of hierarchy also takes place, where there's a character considered an abnormal element within that hierarchy.
"They will abandon you if you are an omega." I still remember the blood-stained white roses from that confrontation that happened when I was a child. I was cornered by the alphas who became half a beast when affected by the pheromones of my first heat. My parents abandoned me and put me up for adoption. In the place I was adopted, they made me feel necessary and I thought I could be happy, but... It was hell. I met an animal half alpha who couldn't express himself. In that situation, zeal came to me and then I remembered that I am an omega... "Ah, so there is this kind of warmth."
Noah, a wolf with no family, was banished from his pack – the only place he ever belonged to – due to his omega nature. He arrives in an herbivorous beastmen village where he meets Henri, a rabbit who lives alone with his little brothers. Henri hides Noah because there is still prejudice against carnivores in his village. He is touched by Noah’s gentle and caring nature and gradually begins to envision a future in which they become a family. However, Noah’s heat awakens Henri’s alpha sexual instincts…! “Listen, let’s be a real family!”
Kumo from the mountain dog tribe was picked up by Kin from the cat tribe and who lives near a wolf tribe doctor of the omegas, Ise. Whether it be Kumo having the characteristics of a dog, he tends to make playful nibbles and licks towards Kin. However, the fact that Ise was pleased with their excellent compatibility makes Kin’s heart ache…