Animagus or Monster

Drarry book, no smut (This is only cuz I'm a helpless loner who can't get a relationship) This is at the start of book two, an influx of students appear at semester two. Everyone can tell something is different about these students and for magical sensitives, they can tell they all have glamors on. On the full moon they all disappear or randomly in the night, everyone thinks that they are Death Eaters, but who really knows?
I will update as often as possible, so bear with me.
Also Harry's scar goes over his eye to the edge of his chin like in the cover.