Akira Natsume dies in 2014, run over by a truck he despises. Sixteen years later, his consciousness awakens inside EX-ARM No.00, a cutting-edge military weapon that merges human intellect with machine capability. Police officer Minami Uezono and her android partner Alma discover him during a covert operation at Tokyo Harbor, where illegal weapons dealers traffic in EX-ARM units. When enemy forces attack with their own weaponized android, Minami makes a desperate choice: activate the dormant No.00 and unleash Akira into combat. Now bonded to a teenage consciousness trapped in a lethal android body, Minami must navigate a dangerous underworld where human and machine blur together. Akira struggles to comprehend his new existence while learning to control overwhelming power. As they uncover a conspiracy behind the EX-ARM program, questions emerge about what it means to be human when consciousness itself becomes portable, transferable, weaponizable. Action sequences collide with existential confusion in this high-octane sci-fi thriller.