Chief of the "EX-ARM Countermeasures Division" of the Metropolitan Police Department. Originally from the Defense Forces, he is in charge of the "EX-ARM Countermeasures Division". The terrorism that destroyed Tokyo in 2020 was thought to be due to "EX-ARM", and it began to appear again in 2030. Follow EX-ARM. At first, the main character, Akira, is called "the enemy of all humankind."