When Harry falls into a creature inheritance he is given a mate. A mate that has to accept him or else he will die a painful death. But when he is mated with his bestfriends older brother he leads himself into a whole world of trouble along with some changes on the way.

Harry becomes a demon Meister like Crona when his demon weapon awakens when the devil twins are in trouble

Harry is abused and depressed making him have suicidal thoughts and the need to cut. Then the year that he wants to quit it all, he goes through and early inhearatance and he finds two life lines to help him. Fred and George both have a crush on little Harry. When Harry goes to him they finally have a chance with him. Ps. This will start in fourth year and go all the way to seventh.

Harry comes into his strange Creature Inheritance and also gains eyebrow raising mates. What will this mean when he goes back to Hogwarts?