Another Prisoner, Another Professor

"In Harry's third year he must learn the many truths about the new DADA teacher, Professor Black, and an escaped convict, Remus Lupin."

—Fanfiction.net summary

Another Prisoner, Another Professor is a Harry Potter Fanfic written by Marauder. It starts off as a retelling of Harry Potter, with one difference: Sirius Black and Remus Lupin have switched places.

A simple pretense, but this fic does more than switch the names around. It comes with its own subplots, and is written in precisely the same style as J. K. Rowling.

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Tropes used in Another Prisoner, Another Professor include:

• Does This Remind You of Anything?: "No one choose to be a werewolf."
• Has Two Daddies: If everything is going well Harry might end up living with Remus and Sirius.
• No Such Thing as Wizard Jesus: There's a discussion about religion and a chapter even take place in the magical version of Catholic Church. Jesus however isn't stated as a wizard.
• Room Full of Crazy: Remus' cell in Azkaban is filled with Harry's name written in blood later it turns out that it was a ritual to protect Harry.
• STD Immunity: His lawyers thinks that Sirius has a VD, but since magical people doesn't usually contract muggle's disease Ron thinks that he had actually developed lycanthropy.
• Tampering with Food and Drink: Kreacher often does this to Sirius. He puts chocolate into his master's food.