How to prevent a War (слэш)

After Voldemort’s return in his fourth year, Harry looks desperately for a way to stop the Dark Lord once and for all. With the help of his closest friends and his Godfather, he travels back in time to prevent Tom Riddle from ever becoming Voldemort.
Things get complicated when Riddle starts showing an interest in Harry and the due struggle to get the upper hand. They both try to find a way to work together and find a way to create a future they both want.