{𝗕𝗼𝗼𝗸 3} It is a known fact that Crookshanks was helping Sirius Black to capture Pettigrew in his rat form, back in Harry Potter's third year at Hogwarts. But what if Crookshanks was a human just like Moony, Wormtail, Padfoot, and Prongs? What if she was James Potter's twin sister? And why did Dumbledore do almost everything in his power to keep her identity a secret from Harry? This is the forgotten story of Jenna Potter. *** WARNING: Mature and sensitive content ahead [Marauder's Era] [OC's age: 15-21]