Lion in the Snake Hole

Ariella Frost is a 15 year old Gryffindor with her two besties, Devon Farrow and Natalie Jacobs, a Gryffindor and a Ravenclaw. But is she really Gryffindor material? Her whole family is a bunch of snakes but that's not the problem. She finds out she's adopted, but by which pureblood family does she belong to? And is...