Also known as
- English
- Aria the Scarlet Ammo Special
- Romaji
- Hidan no Aria: Butei ga Kitarite Onsen Kenshuu
- Japanese
- 緋弾のアリア 武偵が来たりて温泉研修
- Synonyms
- Aria the Scarlet Ammo - Butei's Going on a Hot Spring Training CampAria the Scarlet Ammo Episode 13Aria the Scarlet Ammo OVA / SpecialAria the Scarlet Ammo SpecialAria the Scarlet Ammo: Butei’s Going on a Hot Spring Training Camp