Alternative Name: 아쉴레앙 공작의 계약 결혼;Duchess Aishling’s Contract Marriage;Duke Ashillean's Contractual Marriage;The Conclusion of the Contract of the Duke of Ashileans;The Duke of Ashleyan's Contract Marriage;The Duchess's Contract Marriage;아쉴레앙 공작의 계약 결혼

Genre(s): Drama Fantasy Romance Webtoons

Demographic: Shoujo

Summary:
After the 'Tyrant King' killed our parents, we managed to defeat him in a coup d'état. My younger sister became Empress and I became... MORE After the 'Tyrant King' killed our parents, we managed to defeat him in a coup d'état. My younger sister became Empress and I became the Duchess who ruled the beast-infested Northern territory. We took our revenge and my younger sister has become the Empress, so there's only one task left - the oath I made to God right before helping my younger sister. HIDE