Harry Potter might be a Hufflepuff that many people thought was harmless, but mess with Astoria Greengrass and be warned. Harry/Astoria
When Harry's friend abandoned him after his name came out of the Goblet, Snape remembering his vow to Lily, decides to help Harry survive the tournament. Harry/Astoria
Sirius Black breaks into Malfoy Manor to steal a baby for Lily and James, he hesitates and takes the other baby, what does this change? Told in a series of one-shots.
Harry makes a deal with Draco for information in exchange for removing his dark mark and sanctuary once the war starts, the death of Dumbledore forces Harry, Draco, and two other Slytherins to be locked out of Hogwarts and have to destroy the Horcruxes. Harry/Astoria, Draco/Tracey