Loving you Forever (Madanaru)

In this story Naruto was born 2 years after Madara was born the clan Naruto was born in was a immortal one making him immortal, Naruto would go to the river to relax everyday because his clan died out even if they were immortal. So Naruto was alone.

Madara at 4 years old accidentally became immortal by eating a weird apple, Madara told no one he became immortal not even his younger brother.

At age 6 for Madara he meet Hashirama at the river and went there everyday to talk and play with his new friend.

When those too were both 8 they meet Naruto for the first time. Read to know how it plays out.

(Seme Madara, Uke Naruto)
(Some heavy Smut/Lemon)
(Lots of fluff)
(Maybe mpreg at the end)
(Both madara and naruto are very deadly and powerful)