An anime adaptation has been announced, and will begin on April 14, 2011 after the end of
Yumekui Merry. The story sets in Tokyo Butei High school, a special school where armed detectives, also known as "Butei" are being brought up. Tohyama Kinji is a sophomore student who has the unique body which activates a "super mode" when it was stimulated by "something". He tries to hide it to others in order to live a peaceful life. But trouble came to find him when he became a victim of a bombing incident, where he met the Butei high "Assault" department elite, Aria H. Kanzaki.
[ame="http://www.youtube.com/watch?v=hhY6HFUeZfQ&NR=1"]Trailer[/ame]
Links Wikipedia -
Aria the Scarlet Ammo Official Website -
緋弾のアリア