Everyone in Hogwarts knew of Gwendolyn Crouch, whether it was due to her influential parents or rumoured Death Eater brother. Quiet, quick-tempered and pure-blood, she's everything that Sirius Black hates. Until he doesn't.

Starting her fifth-year at Hogwarts, Alex Shaw finds herself sharing a common room with the infamous Marauders. Her gift of connecting to creatures of any shape and size captures Sirius' attention, and subsequently sends her on a journey like no other. Unlikely friendships, blackmail and family drama ensues. Sirius x OC. Non-canon.