Each Other's Hero

Harry Potter was always overshadowed by his twin brother, Jamie. While his parents fawned over Jamie, Harry was left to his own devices. But one day, he is forced out of his own home by those he called 'family.' Ending up in Diagon Alley with no money or last name, he comes across a witch and her sister in a similar boat to his'. Could they work together to survive? Harry/Daphne