# Hidan no Aria - Butei ga Kitarite Onsen Kenshuu
*Also known as: Aria the Scarlet Ammo Special / 緋弾のアリア 武偵が来たりて温泉研修*

## Facts
- Format: SPECIAL
- Status: concluded
- Year: 2011
- Season: FALL

## Renewal Score
**Hidan no Aria - Butei ga Kitarite Onsen Kenshuu** has a **41% renewal probability** on Courcast (confidence: 89%) as of 2026-06-03.

## Synopsis
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)

## About Courcast
Courcast forecasts anime renewal probability using daily signals from streaming platforms, fan communities, and industry sources. Each CourScore (0–100) reflects fandom momentum, streaming performance, source material runway, and franchise history.

- Full details: https://courcast.com/title/hidan-no-aria-butei-ga-kitarite-onsen-kenshuu-fall-2011
- API: https://courcast.com/api/public/titles/hidan-no-aria-butei-ga-kitarite-onsen-kenshuu-fall-2011
- About Courcast: https://courcast.com/about

*Last updated: 2026-06-03*