Naruto has left the Leaf, believing it's his duty. No one knows where he went or what he's been doing over the years. But after more than a decade the blond returns, uprooting a multitude of questions and feelings. This is a different Naruto, but it seems he's still number one at surprising. Canon(ish). SasuNaru/NaruSasu. [Chapters: 15/21]

Naruto tries to teach Sai about dating and ends up getting in deeper than he originally intended. A multi-chapter NarutoxSai and eventual KakashixYamato story set when the Konoha kids are 19/20 years old. There are mentions of NaruSasu and NaruSaku.