{Passerine au}

btw this is not my story the story is from blujamas on ao3 but for the people who dont have ao3 but have wattpad here it will be :]

Potter | 𝘚𝘪𝘳𝘪𝘶𝘴 𝘉𝘭𝘢𝘤𝘬

{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...