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El contrato secreto del Archiduque del Norte The Duke's Debt
También conocida como: The Duke's Debt · EL CONTRATO SECRETO DEL ARCHIDUQUE DEL NORTE · Khế ước bí mật của đại công tước xứ bắc · The Confidential Contract With the Archduke of the North · The Northern Grand Duke's Secret Contract · The Secret Contract With the Northern Grandduke · 北方大公的秘密契约 · 北部大公の秘密契約～呪われた欲望～ · 북부대공님의 비밀계약 · Bukbudaegongnimui Bimilgyeyak
In the icy lands of the North, the duke battles nightly with an uncontrollable desire that consumes him. Seeking respite, he meets a mysterious wizard who proposes a pact: to quell his urges, the duke must give up his essence for the wizard's research. But just how far are these two willing to go to help one another?
