Arthur D. Lanye traveled to the world of One Piece by chance. He witnessed the bond between the three Straw Hat brothers and decided to protect them. Mellie is not only a ship spirit but also my family. I will never let you leave. The Straw Hat Pirates are my family, no one can harm them.
Whitebeard: "Ku la la la la, family? Come be my son, Arthur D. Blue Night"
Lan Ye: "There are more family members to protect"
Soldier: "Report, Marshal Sakaski, Guardian Arthur D. Lanye is coming to kill"
Akainu: "Which of you messed with his family again?"
Warring States: "Garp, it's your grandson again"
Garp: "Hahaha, you are indeed my grandson."
