Protagonist of the series and a student at Butei High school. He was ranked Level E (lowest combat rank) due to missing the Butei evaluation exam. However, under certain "conditions" his level raises to the highest combat status of Level S. He is currently enrolled in Inquesta department. After the death of his brother, he now plans on quitting Butei and live a normal life by transferring into a normal high school. His weapons of choice are Beretta M92F (which was illegally modified to fire a three-bullet burst. He refers to his own gun as Beretta Kinji Model), and a butterfly knife.