Season 1
Kinji Tōyama, a student at a special school for armed detectives called Butei High. He wishes to quit being a Butei, but his plans are disrupted when he meets Aria H. Kanzaki, an elite student, during a bombing incident. They form a partnership, and the series follows them as they work to solve crimes, particularly the case of the "Butei Killer," while navigating their romantic tension and Kinji's secret "Hysteria Mode" ability.
Episodes
1 La Bambina Apr 15, 2011 
2 Aria the Quadra Apr 22, 2011 
3 First Mission Apr 29, 2011 
4 Butei Killer May 6, 2011 
5 Butei Charter Article 1 May 13, 2011 
6 Maiden of Hotogi Shrine May 20, 2011 
7 Caged Bird May 27, 2011 
8 Durandal Jun 3, 2011 
9 Honey Trap Jun 10, 2011 
10 Special Training Jun 17, 2011 
11 Infiltration Jun 24, 2011 
12 Vlad Jul 1, 2011