It was hard to imagine that the home of the Black family, one of the oldest wizarding families in the world, stood in a Muggle neighborhood in London.
Of course, as one of the Wizard World's most powerful families, the Black family also had a manor of their own, but their main line had already been living here fifty years ago, or even earlier.
At least, Sirius Black remembered growing up here from childhood.
Black invited Harry and the others to visit his home.
Originally, he had wanted to take custody of Harry and have Harry come and live with him. As Harry's parents' best friend and Harry's godfather, his suggestion was not unreasonable.
Harry himself did not really object.
Living in a wizard's home would certainly be more convenient than living with the Dursley family. The only person he would probably be a little reluctant to leave was his Older Cousin, Dudley.
However, because of the blood protection charm, Harry could not actually do that. He still had to spend enough time living with the Dursley family, at least until he turned seventeen.
Still, although he could not stay long-term, and even staying overnight was probably inappropriate, there was no problem with a short visit.
So, on the second day of the holidays, Harry, Ron, Neville, and Hermione came together to Black's home at 12 Grimmauld Place, hidden among the terraced houses in London.
Professor Lupin was also there, along with Nymphadora Tonks, an older schoolmate who had not attended school at the same time as Harry and the others, but whom they already knew and got along with.
"Sirius, you really ought to tidy the place up if you want Harry to come and live with you." Ron had been looking around ever since he entered, then suddenly