Traded to the Beast King by My Ex, While Disguised as a Prince

Rowan, the mastermind behind Asteria's victories, is secretly a princess disguised as a man, fighting for beloved General Adrian. But he trades her to the enemy beast king as a peace offering. Expecting death, Rowan instead finds Beast King Varkar discovers her secret, spares her, and dotes on her. When Adrian regrets and demands her return, Varkar sneers: "My queen—why would I give her back?“