Prologue

After years of war destroyed the Elemental Nations, Naruto is sent to the past to prevent it from ever happening--and accidentally ends up becoming family to his younger self in the process.

Kakashi x Naruto Yaoi/Shounenai

Heavily inspired by Backslide by Blackkat and What Once Was Will Never Be by PrincessofWhiteSnow as well as part of Tsunade's Tsukuyomi dream