"Blue Lock Vol. 6" propels readers into the next phase of the intense and unpredictable Blue Lock program. After successfully navigating the challenges of the first selection round as a team, Isagi and his fellow teammates face a crucial turning point as they split up to confront the second selection round individually. The stakes are higher, the competition fiercer, and the rules more shocking than ever.

As Isagi steps through the first door of the second selection round, he encounters a formidable opponent—the Blue Lock Man, a cutting-edge goalkeeping AI system. This technological innovation adds a new layer of complexity to the training program, challenging Isagi and his fellow strikers to adapt and overcome the unique obstacles presented by an artificial adversary.

Amidst this backdrop, shocking rules are unveiled, pushing Isagi and his peers to their limits. The second selection round promises to be a crucible of growth and adaptation, as the characters strive to prove their worthiness to continue in the Blue Lock program.