School of Thieves, To Clan of Thieves

Sasuke finds a secret room in his clan's library, and a story about the origins of the Uchiha Clan within. It tells about how they were descended from a family called Saotome. Finding a scroll of Ki techniques, he starts to learn them to help in getting his revenge. Unfortunately, with the awakening of his Ki, he also awakens a long dormant family curse. SasuNaru, gender bended.