Traveling to the world of One Piece, you have the power of the sea - control over the water element.
If the entire sea is my battlefield, can I quickly go to any place in the world?
Appear beside Luffy and his friends when they are suffering in childhood, and tell them that there are still people around you, waiting for you.
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.
Author, your ending is a bit silly.