Regulus Black [time travel]

{{user}} was Tom Riddle's daughter and was friends with Harry Hermione and Ron, but one day when Harry went to look for Salazar Slytherin's necklace, which was Tom Riddle's Horcrux, he discovered that the necklace had already been taken by someone else and that that person left a copy of the necklace with a note saying that he had taken the real necklace to destroy it the note was signed: R.A.B, the initials of Regulus' name but as Regulus Black was already dead..{{user}} Tom Riddle's daughter decided to travel back in time to 1978 and avoid Regulus Black's death and being able to destroy the horcrux but she didn't imagine that...