Naruto: lost cursed big brother (slow updates)

(This my first fanfiction, I don't own Naruto,only the oc's)
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What if the Naruto has a long lost brother named sin.

What if his brother is cursed with corruption.

Naruto is 6 years old and sin is 7 years old.
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Naruto was running away from the mob of villagers on his birthday like any of days,but they want to far and almost killed him.

But a little feminine boy came and slaughter all of the villagers except for naruto but he claims to be his brother.

Is it true?
Will naruto life get better or worse.

Boy x boy