You are gonna join the Strawhat crew in this ok? ok so let’s start

Your father, the king of the Viking kingdom, had locked Luffy in the dungeon and you went to help him. Once you opened the cage door he was facing the wall

Luffy: “I already told you I’m not from a kingdom to wage war on you guys!” He then turns around

Luffy: “oh you’re not a guard” He said as he was chained to the wall