My First XXX: The Marquess is Wild for His Princess

Princess Elena is devastated when her hand in marriage is rewarded to war hero Marquess Lupus Bernardo against her will. Her dreams of marrying the kind Count Favio are dashed, and she has no choice but to wed the rumored brute who demanded her as a trophy. Trapped in a seemingly loveless marriage, both her heart and body ache for true love and warm affection. But as it turns out, Lupus may be hiding some heat beneath his cold exterior...!

(Source: Tappytoon)

Note: Part of RIDI's Cheot XX Danpyeonseon (첫XX단편선) Collection.