One Piece: Transmigrated as a Support System?

Qian Jia had one too many drinks with his rowdy buddies and woke up in the world of One Piece—a scrawny ten-year-old, barely surviving. "System, old pal, where are you? Come out already!" But as a transmigrator, he knows exactly how to handle that glutton Luffy and snag the vice-captain spot. Luffy's eyes sparkle: "Teach me, teach me! You're my vice-captain!" Qian Jia smirks—you said it, pal. Try slacking off, and I'll beat you black and blue. "Luffy, train like this…" "Haha, this is fun!" "Zoro, don't just focus on weights. Try it this way…"