“Kuji” kara Hajimaru Konyaku Seikatsu ~Gensei naru Chuusen no Kekka, Warawanai Jiki Koushaku-sama no Konyakusha ni Tousen shimashita~

Belle, the sole daughter of a struggling noble family, is thrilled to receive an invitation to a grand ball hosted by the Duke of Rouvent. After dressing in her finest attire, she's summoned by the duke's butler—only to discover that she's been chosen as the betrothed of the next duke in a cold, impersonal lottery.