The spider demon and the human

Anna was a normal girl who lives a normal life until one day she was taken away by a butler with golden eyes. what will Anna do when said butler starts to follow her around until she agrees to be his? Claude butler to Earl Trancy has finally found his other half, the one he never thought he would meet. what will he do when he finds out that another demon is going after what is his and how will he keep how important she is to him from his master?