It's A Masquerade, Darling (слэш)

An orphan, Harry Potter has done everything he can to avoid notice during his five years at Hogwarts so far. He’s only got one friend, is purposefully in the middle of his class rankings, and his only ambition, wizarding-wise, is to graduate with enough N.E.W.T.s to get a loan and open up a bookstore.
And then he somehow finds himself in the sights of Tom Riddle, resident golden boy of Slytherin and darling of Hogwarts…