Furin Aite ga Mama Haha Datta no de Rien wo Keikaku Itashimasu

Leia, the daughter of the Sharon family, is secretly in love with Thomas, a commoner who is her butler. However, when her father commits suicide, leaving her with a large debt, she is forced into a political marriage with a young nobleman. Her husband is surprisingly kind, but just as she begins to feel positive about married life, she hears an older woman's moans coming from his room...!