Read My Secretly Hot Husband manga
There is a family, who for generations, were rumored to be monsters. The lord of the Halstead castle, Erden. He adorns a mask to hide his scary face. Leticia, who was sent to marry Lord Halstead in place of her sisters, began to be referred to as ‘the woman who married the monster’ and was pitied by others. but there is a secret that they don’t know.