Nice to Meet You Again

Harry grew up in two houses, but was only raised by one. How different would things be if our hero was allowed to be a child? Even if it took sixteen steps to the neighbours next door.

Or

Sirius escapes the aurors on the 31st of October and goes straight to Remus. Three years later, Mr. Lupin and his dog move into Number Five, Privet Drive, to make Harry's life just a bit better.

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Warnings at the beginning of chapters and between scenes.