The freedom to live

What id Regulus Black was alive? What if he came across an abused Harry Potter and decided to change fate? What if he would do anything for the child who just happened to be his mate? Lets find out! Still in the early stages but with have foul language and mature content later. Goodmalfoys and walburga black, Baddumbles, alivesirius, Matebondfic, some child harry