Aria the Scarlet Ammo AA, also known as 緋弾のアリアAA, is Action & Adventure, & Animation television series that premiered on October 6, 2015 and set to air on AT-X. It consists of 1 season with 12 episodes.
In the world of Hidan no Aria AA, there are special students called Butei who are authorized to carry weapons, investigate crimes and solve various incidents. One of the best of these students is an S-rank second year at Tokyo Butei High School named Aria Kanzaki. On the opposite end of the scale is E-rank first year named Akari Mamiya.