The one where Team 7 heals the broken bit in a man who has lost everything. Kakashi Hatake learns to love again. Starts at the beginning of the series, but doesn't follow canon. Will end with Orochimaru's attack during the chuunin exams, which will also not follow canon.

AU Sixth year. Harry Potter has grown up estranged and marked by his abusive childhood. As the time to defeat Lord Voldemort approaches, an event forces Dumbledore to assign Severus Snape the task of destroying the horcruxes alongside Potter.