The effect of having made his diary into a Horcrux is noticeable only to Tom Riddle: when he has it with him, people enjoy his presence. When it's back in his dormitory, people avoid him. When a girl by the name of Lovegood starts talking about three Hallows that can make the beholder Master of Death, and a wand more powerful than any other, he's glad he has it with him today.
A Very Potter Musical Fanfic After being blamed on the death of Cedric Diggory, Quirrell is sentenced to go to Azkaban. Here, we uncover what the play didn't; the time Quirrell was left in his prison cell. Quirrelmort. Smut.
In the middle of the Triwizard Tournament, Draco and Harry indulge in some closet time fun. And what's a better way for your friends to find out than through a report on it by Rita Skeeter? Implied smut, written two years ago and just now posted up.