As announced in March, we have the first promotional art for the film Blue Lock: Episode Nagi . According to the official website, the film will premiere in spring 2024 from 8 Bits .
Blue Lock: Episode Nagi – Movie gets teaser and promotional art
Check it out:

Episode Nagi adapts the spin-off manga released in Bessatsu Shōnen Magazine since June 2022.
Synopsis:
The story begins with Japan's elimination from the 2018 FIFA World Cup, prompting the Japan Football Union to launch a program to search for high school players who will begin training for the 2022 World Cup. Isagi Yoichi , a striker, receives an invitation to this program shortly after his team missed out on the national championship. His coach, Ego Jinpachi , intends to "end Japan's failed football" by introducing a radical new training regime: isolating 300 young strikers in a prison-like institution called "Blue Lock" and putting them through rigorous training with the goal of creating "the best striker in the world."
The first season of the anime was directed by Blue Lock by Tetsuaki Watanabe 8 Bit studio , and animated by Kenji Tanabe and Kento Totani .
The Blue Lock manga debuted in Weekly Shonen Magazine in August 2018 by authors Muneyuki Kaneshiro and Yusuke Nomura .
Source: Official Website
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