Neville Longbottom and the Philosopher's Stone

What if Neville was the one that Voldemort decided to mark as his equal all those years ago? Neville Longbottom is in his first year at Hogwarts School of Witchcraft and Wizardry. Having only just learnt the true nature of his parents death, Neville along with his best friends Hermione Granger and Ron Weasley must solve the mystery of what's hidden in the castle. (AU, obviously)