One Piece: Marine System

[Navy] [Recruiting Geniuses] [Luffy, Ace, Sabo, the Navy Brothers] [Pure One Piece Power System] Kyle transmigrates to the pirate world and becomes the grandson of Fleet Admiral Sengoku. It's the year 1510 of the Sea Calendar, a time when countless great pirates are rising to prominence. Six-year-old Kyle only wanted to laze around and live a carefree life, but upon meeting Luffy, he awakens a genius recruitment system. By recruiting geniuses, he can obtain system rewards and continuously grow stronger!! [Recruiting Luffy rewards include Physique Enhancement Pills, the Supreme Grade Sword Twelve, Purple Lightning, Conqueror's Haki, and the Logia-type Rumble-Rumble Fruit...]