A Sweet Night With His Majesty The King: The New Bride Wants to be Drenched in Her Groom's Love

Princess of Goldwyn, Lutecia, has had feelings for Lord Valery, emperor of friendly nation, Reynald, since she was a young girl. Never having forgotten the promise his Lord Valery made to her 10 years ago, Lutecia, on her 17th birthday, devises a certain plan to put an end to her unrequired love. But...?

(Source: MangaPlaza)