The Sealmaster of Konoha

Two years after the Fourth Shinobi War, Naruto discovers a seal on his body - a seal guarding a secret that will stagger Naruto's world. As a certain Uchiha battles his dark past and uncertain future, an old enemy returns to challenge Konoha, threatening the bonds that Naruto has sworn to protect. The poor blonde just can't catch a break. Eventual femNaru.