43.Missing duke's daughter. Duchess goes nuts. Found. No memory. Raised with love. Real one appeared. Betrayed. In prison for treason. Real one is also fake. Poisoned. Time travel. Day of other return. Ask for land. Changed name. Northern Duke. Future emperor. Magic. Deal. Contract marriage. Helping the territory. Elf friends. Gold mine accident.
The Fake Duchess In Distresss