Animal characteristics

Akiharu is a quick-tempered high schooler who loves to fight. Descended from werewolves, he has a troubling tendency to sprout wolf ears and a tail when he becomes excited. Besides his family, his best friend, Yukino, is the only one who knows. Laid back and popular with the girls, Yukino couldn't be more different from Akiharu, but he is strangely comforted by his friend's presence. One day, Akiharu visits his werewolf cousin, Chikage. The moment Akiharu enters the room, he sees Chikage on top

And omegaverse. Lion
Yoru works as a male prostitute after being betrayed by the owner of the circus.One day, a man appears who wants to buy Yoru for one night.That was Amran, a high race "hybrid" who is said to have two forms of human and beast.That night, Yoru is hugged violently without even having time to make up for him..

And omegaverse

Destined mates, uke gets transported to this world