Protagonist, Who? I Will Conquer This Family!

Step into the world of Ruhi, a spunky slave girl with a surprisingly noble background who finds herself tangled up in the Marquis mansion. But Ruhi? Oh, she's not your average servant girl! She's got her eyes set on the grandest prize: marrying the Marquis and shaking up the whole household with her charm and wit. So what if the Marquis is married and has a child. That won't stop her!