Ep. 1: Sakura rallies allies to storm KEEL headquarters to save Nagato from Shingo Natori.

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Sakura, a high school delinquent and Bofurin member dedicated to protecting the town, becomes the first-year grade captain after clashes with Shishitoren. He learns of an emergency involving Nagato, a childhood friend of classmate Anzai. To rescue Nagato, Sakura recruits Nirei, Suo, and other classmates to advance toward KEEL headquarters. There, they face Shingo Natori, the organization's leader. Natori utilizes fear to establish authority and directs his subordinates to unleash overwhelming violence against Sakura and his companions. The group must withstand this intense assault while attempting to reach their objective and save their friend from the dangerous situation orchestrated by KEEL.