Kun Shou Zhi Ran

With his back against the wall, Crispin Tadelville, the last surviving alpha of the Tadelville family, disguised himself as an omega to escape death. Now, forced to bide his time as a plaything for the Ethelanian nobles who slayed his people, Crispin waits for the perfect opportunity to exact his revenge. His only obstacle? The prince of the Ethelanian empire he seems to have mistakenly marked.
(Source: Tapas)