Watashi wo Dekiaishi Sugiru Danna-sama wa Konya mo Furete Kuremasen

https://www.cmoa.jp/title/299999/ Fina has lived her whole life hiding the "cursed birthmark" that was carved on her as a child. She hid it from her fiancé, but Miss Ennis, jealous of their relationship, sets her up and breaks off their engagement on the grounds that she is cursed. Unfortunately, Claudio, a duke who is rumored to be a merciless killer of magical beasts, was there. "Cursed daughter?" The duke's cold voice frightens Fina, but Claudio suddenly hugs her tightly...?