The Reason for the Contract Marriage

Her fiancé, who left for the battlefield, died. And his close friend, who became the new heir to the Dukedom, makes her an offer. “You need a safe place, and I need an heir to carry on the family. So, how about we do this?” Rejecting the offer was impossible from the start. Introduction to the Work: ＊Setting/Genre: Western-style Romance Fantasy ＊Keywords: Alternate History, Fantasy, Western-style, Royalty/Nobility, Misunderstanding, Social Class Difference, Contract Relationship/Marriage, Marriage First, Love Later, Possessiveness/Obsession/Jealousy, Capable Male, Obsessive Male, Unrequited Love Male, Devoted Male, Stone-Walled Male, Cold Male, Indifferent Male, Charismatic Male, Polit...