One Piece and the Celestial Dragon

I died but got a second chance in a new world. This was a cruel world full of pirates, marines and world nobles. This was the world of One Piece. I“m just a normal guy and I did not get a cheat like a system or a special bloodline. How could I survive in a word like this? I couldn“t even defeat the bullies in my high school times and this world is full of bad*sses. But one day changed everything....