From Homura Kawamoto (Kakegurui) × Nadainishi (Satsudou)—a brutal action tale from the ultimate duo! Masamichi Akita, a high school student who believes in living wisely, is saved from a group of delinquents by a mysterious girl, Setsuna Rokudou. Fascinated by her strength, Akita asks her to teach him how to fight, driven by both calculated ambition and admiration. However, Rokudou suddenly turns on him, revealing her true nature. "Violence is the only rule in this world." From that moment, Akita is dragged into the ruthless underworld of violence, where survival means embracing the law of the fist!