Petit Mignon

In a world inhabited by both humans and beastmen, Kai is a young human who has been abandoned by his parents for being born an omega. Luckily, he is taken in by Luard, a wolf beastman and the head of the prestigious Siegfried family. Within the walls of his new home, Kai learns that in order for beastmen to have children, they must mate with a human omega. He dreams of one day becoming Luard’s official mate, yet as he matures and waits for his first heat cycle to arrive, Kai finds Luard increasingly distant. The young omega can’t help but wonder—what is his purpose if not to bond with the alpha he loves? (Source: Seven Seas Entertainment)

For the sake of my love, we are bond as a fake mate. Beryl, an Omega who has lost his mate and is in debt, decides to have an arranged marriage with a noble Alpha in order to protect his memorable home. However, the beautiful beastman Shia shows up and sets a condition for Beryl to become his mate. He must join the same academy with him, become his servant, and... to be physically compatible with him. Even though Shia twists Beryl's world around with his arrogant attitude, but he too has his own reasons for being Beryl's mate... (Source: Frontier Works, translated)

Daato and his younger sister Bella are two orphaned omegas living in an orphanage. Because they’re omegas, the two are destined to be married off once their first heat comes around, but Daato can’t stand the thought of losing his only family. And when Bella suddenly goes into heat, Daato learns that the priest hasn’t been marrying off omegas but selling them off instead! Determined to keep his sister safe, Daato’s only hope is to seek help from the mysterious alpha beastman named Juda. With everything on the line, is Daato making the right decision, or will the siblings find themselves in even more dire straits? (Source: Seven Seas Entertainment)