One Piece: Basilisk to the top

Nakamura D Kurai wakes up in the world of one piece, all this is fine and it would be fun but, he is a D, he can no longer live in peace and quiet, he has to become the strongest because his life is at stake, and in a future not only his life will be at stake, but that of his nakamas as well, what will happen when a reincarnated man who is apparently born without qualities has to take care of himself and his nakamas?...