For Blue Lock fans, the anime has largely centered on Isagi Yoichi, an underdog striker whose growth and grit have made him the face of the series. Yet, behind the scenes, the creators have long harbored a broader vision for who truly stands at the center of the story. In a revealing interview, series writer Muneyuki Kaneshiro and anime director Megumu Tsuchiya offered fresh insight into their character priorities, and it turns out, fan-favorite Isagi might not be the singular lead viewers have assumed he is.

While Episode Nagi already clued fans in on Seishiro Nagi’s importance, Kaneshiro’s comments, via @Bocchi7x and @Rayuga101x on X, make it clear that Nagi is not just a secondary focus, he is a co-lead. The creator confessed that as he explored Nagi’s potential, more layers emerged, revealing that Nagi, like Isagi, embodies the core themes of ego and evolution at the heart of Blue Lock. In short, the anime may have misled viewers into seeing Isagi as the only hero, but the creators' intent says otherwise.

Nagi is the Co-Protagonist Hiding in Plain Sight

Nagi is Not a Blue Lock Side Character, He is a Star Player

While Episode Nagi gave fans a deeper look into Seishiro Nagi’s origin story, Kaneshiro’s recent statements reframe the character entirely. He now considers Nagi “the other protagonist” of Blue Lock, a bold move that directly challenges the narrative hierarchy fans believed existed. Rather than existing as a talented rival to push Isagi forward, Nagi is seen by his creator as a fully realized main figure and one with an arc just as worthy of focus as Isagi’s own.

Kaneshiro also notes that after completing Nagi’s original arc, he unexpectedly discovered even more to explore. This organic development suggests that Nagi’s journey is not a side quest, it is parallel to Isagi’s, rich with untapped emotional and competitive growth. With this framing, fans may begin to reevaluate the story’s key turning points and consider Nagi’s development as important and a must-watch, not supplementary, to the anime’s core message.

Could Blue Lock's Next Big Focus be on Kaiser and Karasu?

Kaiser, Karasu, and the Expanding Blue Lock Universe

Even more surprising was director Megumu Tsuchiya’s personal interest in exploring other Blue Lock characters who have not yet had the spotlight. When asked about potential new side stories, Tsuchiya immediately named Kaiser and Karasu, two figures who have intrigued fans but have not been deeply explored. While he itted this was his personal hope, it hints at the creators’ long-term vision that Blue Lock is not just about one or two characters, but about a constantly shifting cast of ego-driven leads.

Kaiser, with his arrogant charisma, and Karasu, with his cerebral playstyle, each represent unique interpretations of egoism, which is Blue Lock’s main theme. If either were to receive their own arcs or spinoffs, it would further challenge the idea of a traditional protagonist and reinforce the show's broader story points, that greatness can come from anywhere, and no single character owns the spotlight for long.