Betabore no Konyakusha ga Akuyaku Reijou ni Saresou nanode.

When Crown Prince Vincent abruptly terminates their engagement, Elizabeth faints, leaving the future of her noble House la Montlivere and her entire family uncertain. At Prince Vincent's side, a woman often referred to as the heroine appears, her expression smug and self-assured. Elizabeth, however, is destined for a different path, one that leads her down a villainous road. Yet, Prince Vincent intervenes, calling out the heroine for her misdeeds and defying every attempt to turn Elizabeth into an evil-doer. As he fights to protect his beloved fiancée, Prince Vincent will stop at nothing to ensure their love prevails, even in the face of adversity. In this tale of a doomed but handsome prince, Elizabeth's fate hangs in the balance as Prince Vincent navigates the complexities of their engagement and the heroine's machinations. With his noble heart and unwavering determination, Prince Vincent will confront the heroine's schemes head-on, determined to safeguard Elizabeth's future and their love for each other. As the story unfolds, Prince Vincent's unyielding spirit and Elizabeth's uncertain fate will be put to the test in a battle of wills and loyalty.