Travel to Ancient Times and Open a Beauty Salon

The sinister heroine traveled back in time to ancient times due to a car accident and became an ugly maid in Prince Jing's palace. She relied on modern knowledge to lose weight and become more beautiful, and she focused on making money and improving her class. She only had a career ambition and no love brain. One woman and four men, falling in love with the heroine and killing each other... Who is the heroine's destined official match?