The Nanny's Best Friend Accidentally Killed the Richest Man's Daughter

My best friend and I were both nannies for the richest man's daughter, but she beat the richest man's daughter to death with her own hands, but I didn't stop her. Just because in the previous life, she put all the responsibilities on me, and even my husband and brother helped her perjury. But because I was reborn, I had already prepared a lot of evidence to prove my identity. The best friend was eventually sentenced to death, and her husband and brother also met the fate they deserved.