Hidan no Aria: Butei ga Kitarite Onsen Kenshuu

Aria the Scarlet Ammo Special

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Alternative Titles

Synonyms: Hidan no Aria Special
Japanese: 緋弾のアリア 武偵が来たりて温泉研修
English: Aria the Scarlet Ammo Special
More titles


Type: Special
Episodes: 1
Status: Finished Airing
Aired: Dec 21, 2011
Producers: flying DOG
Licensors: Funimation
Studios: J.C.Staff
Genres: ActionAction, ComedyComedy, MysteryMystery, RomanceRomance
Duration: 24 min.
Rating: PG-13 - Teens 13 or older


Score: 6.751 (scored by 2998529,985 users)
1 indicates a weighted score.
Ranked: #53712
2 based on the top anime page. Please note that 'Not yet aired' and 'R18+' titles are excluded.
Popularity: #2919
Members: 57,400
Favorites: 32

Available At


Ranked #5371Popularity #2919Members 57,400
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Episodes: /1


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: ANN)

Characters & Voice Actors


Cook, Justin
Aketagawa, Jin
Sound Director
Theme Song Performance
Fukunaga, Gen
Executive Producer


Opening Theme

Apple Music
Amazon Music
Youtube Music
"Scarlet Ballet" by May'n

Ending Theme


Nov 2, 2019
Hidan no Aria: Butei ga Kitarite Onsen Kenshuu (2011)

In terms of comparing it against the main season, it is actually a very good OVA. The show leaves questions unanswered but not in a way that you need to find out.

It is a fun and exciting one with some great scenes that are well thought out.
In terms of the story, it flows really nicely and gets development.

You actually get a nice side of Kinji that is tolerable for this episode which again is nice to see for a change. You see more of the girls being girls and Aria who is just too ...
Dec 26, 2011
the OVA episode is about the butei school's students with teacher going on a training. the characters are the same as in anime. we have ecchi scenes too... but there aren't any romantic scenes... let's say there's some horror. but it's like another episode of hidan no aria.

story 8.

it's about our characters going on hot springs for training, but they end up meeting some horror that at first they thought was training XD and what??? it was all just a ........ watch it and you'll understand.. XP

art & sound 9.

it's the same as in anime, it has great art and sounds

Jul 10, 2017
I am writing this because I simply do not believe the other reviews give you any idea of what to expect and are just fans of the show, but lets take a subjective look shall we?

It's bad. I won't say "Holy moly drop this and don't even look back" but it's really pushing what's okay, even for this show. It's an OVA so don't expect development and EXPECT some fan-service with it having an ecchi tag an all, but I am not holding back for this. It is random, you don't get any real idea of what's going on besides the first several minutes which ...

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Recent Forum Discussion

Poll: Hidan no Aria Special Episode 1 Discussion ( 1 2 )
Elite60 - Dec 20, 2011
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Dec 21, 2011 6:28 PM