A cook, vice-captain of the Rocks Pirates?

Ryan was reborn in the world of One Piece. His parents are unknown and he was picked up and adopted by an old man.
Fortunately, he was born with the ability of observation Haki, and most importantly, Ryan was also bound to a god-level cooking system.
The cooking skill levels are divided into general, fine, excellent, top, master, unparalleled, and god-level.
He even conquered Rocks with his cooking skills.
In order to improve his cooking skills, Ryan joined the Rocks Pirates. When Whitebeard, Golden Lion, Kaido, Big Mom... these legendary pirates boarded the ship one by one, they found that this pirate group was a paradise for gourmets.
Ryan, a cook, became the vice-captain of the Rocks Pirates. ... Steel Bone Sora: "If Ryan wasn't a cook, his bounty would probably be higher than Rocks'!"
Garp: "Sooner or later I'm going to capture this fellow Ryan and bring him to the Navy Headquarters to be a cook!"