WOULD YOU BETRAY BLUE LOCK? The U-20 World Cup is about to begin, and the egoist warriors are engaged in their own personalized special training. Meanwhile, Nagi finds himself feeling stuck and yearning to recapture the fire he'd found. That’s when he comes face-to-face with a man offering him a fateful choice... As this vortex of wills swirls ever more fiercely, the curtain rises on a U-20 World Cup that is sure to shake the foundations of Japanese soccer!