Koushaku Reijou Lydia no Utsukushiki Ken - Uragirareta no de Kochira kara Konyaku Hakisasete Itadakimasu

Since her childhood, Lydia has fulfilled her mission as a marquise for the royal family and her household. Just as she is about to get married, she hears a rumor that her fiance, Roger, is in love with a certain lady-in-waiting. Lydia abandons her work and acts as if they are lovers, but on the other hand, she is treated as if she is a villain. Betrayed, her dignity and her past feelings trampled on, and in the depths of her disappointment, an unexpected person reaches out to her... They will get what they deserve.