Sugar Rush

Rikido Sato of Class 1-A carries this emitter Quirk, which works at close range and debuts in Chapter 67, adapted in Episode 34. An Ultimate Move shares the same name, distinct from the Quirk itself.

The Japanese title, Sugar Dope, is a pun with teeth. It gestures at both halves of the bargain at once: the performance spike associated with doping and the mental dulling that comes bundled with it.

The formula is fixed. Every ten grams of sugar consumed multiplies the user's strength fivefold for a three-minute window, and Rikido's frame bulks up slightly as the intake converts into raw power.

Getting the fuel in is the precondition. Anything with sufficient sugar content qualifies, whether that means sweets, soft drinks, or granulated sugar taken straight, and without a supply on hand the Quirk simply will not switch on.

The downside is medical. Converting sugar into strength triggers reactive hypoglycemia, which drags down his cognitive function, blunts his intelligence, and leaves him lethargic for the duration.

Rikido is the only holder, and he fights the way the Quirk invites: head on, using the temporary surge to smash through obstacles and opponents rather than finessing them.

His preparation has shaped his life outside combat. Quirk training pushed him into confectionery baking, giving him a personal pipeline for the sugar his hero work demands, and he paired heavy sweets consumption with weightlifting to raise the strength ceiling the boost multiplies. His costume closes the gap in the field, with belt pockets holding small containers of granulated sugar he can down on the spot.

Two named techniques come out of it. Sugar Rush has him load up on sugar and unleash a flurry of punches, while Sugar Knuckle delivers a single straight blow that sends a target flying.