Stole My Glory and Fiancé? Now Bow to the Duchess! Episode 10

Illegitimate daughter Cecily Veyne has spent her life in her sister Lavinia's shadow. When Lavinia steals her exam victories—and her fiancé Laurence helps her do it—Cecily is forced to marry the supposedly crippled Duke Evander. But the unwanted match becomes her salvation: Evander is recovering, powerful, and has always wanted her. As Cecily rises at court, those who betrayed her must face the ruin they created.