Synopsis: The Duchess Goes Crazy Once A Day

I Was Possessed by the Mad Lady's Body That I Served / An Abused Maid Takes Revenge by Switching Bodies with a Sickly Daughter / 公爵小姐每天疯一次 Maid Bella endured long-term bullying in the Duke's house. After being tortured to death, her soul traveled through time and space to become the mad lady. She married the monstrous count and began to take revenge with a new identity.