Deatte 5 Byou de Battle

High school student Akira Shiroyanagi is suddenly taken from his ordinary morning and brought to a war zone by a mysterious young woman named Mion. He enjoys diversions and konpeitō, but now he and the other captives are told they have been removed from the family register, recruited for an experiment, and granted special powers. Determined to defeat the organization behind the experiment, Akira must rely on his newly acquired ability and his sharp mind. The battles become a contest of wits, with Akira’s unexpected power at the center.