Naruto and Sasuke are sucked in Tobi's sharingan during 5 kage summit but end up in Earth land thanks to the powers shared by Itachi to the both of them. Read on as they join Fairy tail. Sasuke x Erza ; Naruto x Mira. (weakened Sasuke and Naruto initially... adjusting their bodies to ethernanos and stuff, but Later God-like Naruto & Sasuke...most probably after Tenrou arc)