One Piece: I Get Stronger by Selling Barbecue

[Invincible + System + Marines + Comedy + No Female Lead + No Devil Fruit]

Lu Yi transmigrated into the world of One Piece and unexpectedly obtained a barbecue System that made him stronger.

From then on, Lu Yi began selling barbecue from a street stall.

One uniquely Chinese honey-glazed grilled squid: 1,000 Berries

One uniquely Chinese honey-glazed fish ball: 500 Berries

One uniquely Chinese honey-glazed Sea King: 500,000 Berries

Every time he sells a barbecue worth more than 500 Berries, he gains 1 talent point.

Every time he sells a barbecue worth more than 50,000 Berries, he gains 10 talent points.

What? There are emergency gift packs too?

I’ve gotten rich, and stronger as well…