Aria the Scarlet Ammo Special is a special anime that premiered in fall 2011, produced by J.C.STAFF.

About the production: the story comes from a light novel, there is 1 episode of about 24 minutes and its current status is "finished".

Its main genres are action, comedy and romance, with themes such as School, Guns, Tsundere and Female Harem.

On AniList, Aria the Scarlet Ammo Special has an average score of 63%, an average score, and appears on 13,840 users' lists.

The franchise continues in or follows from: Hidan no Aria.

The story takes place in Tokyo Butei High School, a special school where armed detectives — "Butei" — are trained to use weapons. Kinji Tooyama is a second-year-student who has a special ability, but he keeps it a secret to maintain an ordinary, peaceful life. However, when he gets caught in a bombing on the way to school, he encounters H. Aria Kanzaki, the most powerful S-Rank Butei student in Assault Studies. (Source: Anime News Network)

Official synopsis from AniList.