The Muggleborn Ghost

Seventh year Hufflepuff Alyssa Clark was killed during the summer in the same attack that killed the Bones family. Now she roams the halls of Hogwarts as a ghost, keeping an eye out for the younger students, especially Susan Bones, who she sees as a little sister. But when The Golden Trio starts getting into trouble, will Alyssa lend a helping hand? OC-Centric. NO SLASH