Gin ryusen was your average boy beside the fact that he was obsesed with fishing he was just like any other boy..... Or not. Gin was a genius that can be said to be one of a kind But he wasted it all in his hobby and that was fishing.
One day he tried to fish in the middle of the ocean but because he was poor he don't have a boat or even rent one and in the end in order to buy a boat he searched for a way to make money and he tried stock, in just a matter of week he became a millioner and bought a sturdy fishing boat and he went to the sea.
In the middle of the sea he met with a problem and that was he kept getting distracted because it was his first time fishing in the sea, finding it annoying he go back to the land and searched for a way to make himself not distracted and he choose to learn meditation.
Gin then searched a place where he can learn meditation, and he choose a buddhist temple where on his way he meet with a martial artist that now become a monk because of various reason, the martial artist found that gin was a genius decided to send him to his teacher so that gin can learnt their ancient martial and make it flourish again, because gin believed the martial artist he went and learnt the ancient martial and in order to repay the martial artist and his teacher he created a large dojo for the teacher.
Using the ancient martial art gin now can conquer any terrain and fish any kind of fish he want, because of his succes he become even more bold and go to many dangerous area just to fish and that was included the bremuda triangle where he lost his life.
The next thing he knew he woke up in the one piece world and become fascinated by it.