If the Villainess and Villain Met and Fell in Love, Vol. 1 (manga)

Eleven years ago, Brigitte, the heiress of the Meidell earldom, formed a contract with the weakest type of spirit. Since then, shes been looked down on by all the other nobles, and her fiancé, the prince, even made a public spectacle of ending their engagement. The duke of the Water Clans son, Yuri, is the only classmate she has who seems unaffected by these rumors. Yuri is feared for his incredible abilities and icy personality, but with him on her side, Brigittes fortunes just might change...