Xxii's feed

I suddenly remembered a manhwa that I've read its about fl agirl with pink hair and ml a duke(?)anyways the ml drinks something from the emperor to supress a curse and fl is the only one that can help the ml lift this curse ? But ml only knows that a something star can lift his curse And the ml thinks that the girls property holds this star (he doesn't know shes the star for now) its like. A cliff?