516667 Blue Lock 9 Paperback – by Muneyuki Kaneshiro

Thanks to Barou's awakening, Isagi's team manages to defeat the trio of Kunigami, Chigiri, and Reo. And the one that Isagi chooses to steal is... The new four-man team sets out for a rematch against the Top Three and Bachira. Will the "monster" that fuels Isagi's ego be enough to take down the prodigy striker Rin Itoshi?!