So from what i know, the duke already knows that she was his real daughter after taking a paternity test (which was already given) the reason why shekina and "Anisha" are two different person, Shekina (the soul of the real daughter) died previously after being adopted by the evil scientist and formed a contract with the demon to reverse the time, IT JUST SO HAPPENS that the soul of another girl (our mc) got in to that body first (the body of the real daughter that got experimented on) so thats why shekina lived in the void until she got back. Shekina didn't know she was being used to be the next void demon (the father made it worse by not hearing out the soul of the real daughter) so yeah....anymore questions feel free ヾ(☆▽☆)
So from what i know, the duke already knows that she was his real daughter after taking a paternity test (which was already given) the reason why shekina and "Anisha" are two different person, Shekina (the soul of the real daughter) died previously after being adopted by the evil scientist and formed a contract with the demon to reverse the time, IT JUST SO HAPPENS that the soul of another girl (our mc) got in to that body first (the body of the real daughter that got experimented on) so thats why shekina lived in the void until she got back. Shekina didn't know she was being used to be the next void demon (the father made it worse by not hearing out the soul of the real daughter) so yeah....anymore questions feel free ヾ(☆▽☆)