I Seduced the Cheating Duke

Maria carries out missions as a guild member while hiding the identity of her Count Fruit to earn her livelihood. One day, she receives a request from her to break up the wedding of the Duke of Berry Winter.

-This marriage is invalid. I have the duke's child!"

At Maria's shocking declaration, her wedding hall is agitated and she is about to leave.

"Babe, why are you so late?"

The Duke of Berry Winter calls me his first meeting...?

Will Maria, who has suddenly become the duke's wife, be able to fulfill her wealthy dream?