Lady Lupin

Elizabeth Yards was a Slytherin. Not the most popular kid on the block, but she had an obsession with Sirius Black. And now she's all grown up and married to someone she doesn't really love when... Sirius turns up! What will happen...?

*Loosely* set in Harry's third year, a Ravenclaw student finds out Professor Lupin's little secret, and together they try to work out who's been spiking his Wolfsbane potion with a love potion...