>The "Sad Laughter Engine" relies on collecting the extreme emotions of the riders for power. Ecstasy accelerates to drive lightning running, while weeping decelerates and freezes time and space.
>The organizer forces the riders to wear emotional monitoring collars and secretly kidnaps the riders' relatives to create extreme emotions.
>In order to save her imprisoned sister, Laila created fear fuel on the track in exchange for her sister's survival supplies.
>She secretly accumulated the safest "zero fuel" and forced the car to stall in the final battle to block the track.
>"Insensitive diamonds" crystallized and spread from the engine, announcing the end of the false carnival of the "Fuel Factory".
