Pendulum: The Beastmen Omegaverse Saga

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)

A spin-off of Remnant: Jujin Omegaverse about Juda and Daath raising their kids, Hugo and Shaia. The trickster twins take the center stage.

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)