Everything changes during a routine commute. Kinji is targeted by the "Butei Killer," a mysterious criminal rigging the city with explosives. Just as Kinji is cornered, a girl literally falls from the sky.
In a world where international crime has outpaced traditional police, the Tokyo Butei High School trains "Butei"—armed detectives-for-hire who specialize in combat and investigation. Hidan no Aria (Dub)
Kinji Tohyama is a cynical student at Butei High. He wants nothing more than a normal, boring life. He actively hides a secret genetic trait: . When Kinji becomes sexually or emotionally stimulated, his brain functions at thirty times the normal rate, turning him into an unstoppable, hyper-logical combat genius. To Kinji, this state is an embarrassing curse he tries to suppress. Everything changes during a routine commute