In Blue Lock's second selection, a teammate becomes a foe, and a foe becomes a teammate. Isagi meets Itoshi Rin, the strongest egoist he's ever met.
In the Rivalry Battle, the winner takes a player from the losers. Isagi's team faces the team of the top three players in the New Blue Lock ranking.
Facing the team of Baro and Naruhaya, where losing means disqualification, Isagi and Nagi think hard on their individual strengths to win the match.
Isagi struggles against Baro and Naruhaya but finds a glimpse of his new weapon. As the egos of everyone collide, it is time for Isagi to evolve.
Isagi struggles to figure out a coherent strategy that plays to his and his team's strengths before their next opponents, who are all familiar faces.
