Animal characteristic / Animal transformation

Daato lives at an orphanage with his younger sister Bella. Unlike other children, as Omegas, once they get their first heat, they will be married off. Daato is determined to make sure that he will not be separated from his only family, more so once he finds out that the priest has been selling the Omegas off instead of having them marry. When Bella suddenly goes into heat, things come to a head, and only the mysterious alpha beast-man Juda tries to help

Yuki has a secret he can't tell anyone... That he's actually a beast-person. Yuki has fallen in love with a regular customer, Godai, a man who hunts beasts for a living. If Godai finds out about his identity, their love and chances of being able to see each other will no longer be possible... Yet, Godai who gets chased out of his apartment ends up freeloading at Yuki's house...?! A man who hates beasts x A harsh and pure love secret of an innocent beast boy.

Yunho is a vocalist of a rock band with a painful past of losing all of his family in a car accident when he was just a little boy.
One day, Yunho went to a gathering to hear that his beloved Kyung-hoon, who has always consoled him in his dark days, had fallen in love with another man.
Yunho runs out from shock and bumps into a mysterious man, Hanwool who happens to be a mythical tiger. When they run into each other, Hanwool senses a sweet scent coming from Yunho,

Kurushima Iori lives in a world in which humans and half-beasts coexist peacefully. After an accident kills the last pair of Japanese wolves, their son Riku is left an orphan in the care of Kurushima's department. Deciding to care for him personally, he moves them to a small town where the only other Japanese wolf lives, a male writer, in order for Riku to learn how to live as a wolf.

"Do people fall in love with someone on their first heat...?"
The world is filled with animals that can evolve into beastmen. There is a young and earnest wolf who was always mistaken for a showy person because of his flashy looks.
The easily mistaken wolf has fallen for an attractive looking rabbit named Usami, whose skin is tanned. Even though Usami is very cautious of the carnivors,

In this world exist, “normal” human beings and those with ears called “beasts”. Beasts have a unique body that experiences heats/ruts and pregnancy between the same sex is possible. Miyaji Akira is a beast doctor. A beast himself, he defies nature to be one that is not swayed by instincts. Kijima is the hospital director who likes to meddle with Miyaji. Kijima, born with the rare dominant gene, has very strong pheromones which results in him leading a very crazy sex life.

This place is a den for those who are not human? Yuki Shuri, a high school teacher forced to resign from the school where he was working because of a certain incident, is assigned to a new post at Karasudai private school. On the first day in the new school, he tried to save a bird from a dog?s mouth but the dog transformed into a demon instead. What else is going to happen in this school for wild students who are ?not human?.A lonely demon and a high school teacher.

A planet called Serian, which believes to be a twin of Earth, is where human beasts Yagi and Okami live. They both entered high school and was sent out to an infiltration training together. They were once close with each other but now, there’s nothing but fights between them whenever they open their mouths.

Wolves and foxes have been living with humans to breed. There's a rule that they cannot hang out or fall in love with each other since they are rivals when it comes to breeding. But wolf Han Sirang and fox Kim Ho are attracted to each other and break that rule by secretly continuing their dangerous relationship...

In the middle of a turf war between the raccoons and the foxes are trapped the rabbits. The rabbits receive a proposal from the divine fox spirits saying that they will protect them if they hand over a beautiful bride. However, since there are no girls of a marriageable age, Rikka (the rabbit head's son) decides to go talk to the divine foxes. What he did not expect was that the head son of the foxes, Shirou, would fall in love at first sight with him. How will these two opposites get along?