Quarrel Between Girlfriends

In an accident, she was reborn from a high-ranking officer in the army to a disgusting stand-in maid. She was trapped in a noble family and had a hard time getting out of her boudoir. She was surrounded by claws who came to monitor her. How should she win this battle of rebirth beautifully and step by step? This is a win-win story between a modern time-traveling girl and an ancient reborn girl.