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This Paramecia comes from the live-stage One Piece Premier Show 2017 and sits outside the official canon. Its owner, Neiro, becomes a Flab Human, gaining control over body fat. The Japanese name is a cute sound word meaning chubby or plump.

Neiro used the fruit against the Straw Hat crew during the stage production, the only setting in which it has appeared.

The power governs both Neiro's own fat and that of his opponents. Its chief strength is shutting enemies down by making them obese, which drains their mobility and athletic ability, and it works even on a target without flesh such as the skeletal Brook. Turning the trick on himself, Neiro can instead strip away his own fat to harden and reinforce his body for better defense.

The main vulnerability is that the added fat burns off readily through a fast metabolism and hard physical exertion, so an active foe can shed it. Otherwise the usual Devil Fruit limitations hold. His two named moves are the Cholesterol Ring Attack, which fattens opponents, and the Cholesterol Ring Rebound, which sheds his own fat to forge a body of steel.

Neiro is the sole eater, using the ability to lock down opponents and toughen himself in combat. The fruit is noted as resembling the canonical Sube Sube no Mi, since both can strip the user's body fat away.