Akujo ni Sareta Hakushaku Reijou, Chuuken Kishi to Danzai Shimasu

https://www.cmoa.jp/title/344513/ Rose, a young lady whose engagement was broken off just five seconds before the wedding, is betrayed by the young master Armand, who was supposed to be her fiancé. Furthermore, she is branded a villainess and condemned by the nobility. It is her personal knight, Leo, who extends a helping hand to her at her lowest point. "The ultimate punishment for this unfaithful broken engagement." The thrilling love story of a villainess and her loyal knight begins!