Obscure and Cloudless Tom Marvolo Riddle Fanfiction

Athena Potter was kind, she was brave, she was brilliant, and she was honest when she needed to be. But she was a Gryffindor. Tom Riddle is cunning, he is sly, he is psychotic, he is intelligent, he is evil, and he is brave. But he is a Slytherin. Fifty years from now both the Muggle world and the Wizard world are put at risk, simply because one boy had fallen in love.