Records of the "Black Sword" (a ASOIAF x One piece crossover fanfiction)

a man reincarnated into the familiar yet so strange world of A song of ice and fire with a one piece system, he will try to stay alive through it all and maybe take this world by storm. NO HAREM. EVENTUALLY OP MC.
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This is my first work and english is not my first language so please do review and help me improve.
I posted the prologue with a different account and i can't access it now, so i'll be using this one from now on.