TV Aria the Scarlet Ammo - Season 0 Episode 1 : The Butei Come and Train At a Hot Spring Aria the Scarlet Ammo - Season 0 Episode 1 : The Butei Come and Train At a Hot Spring 7.3/10 by 60 users Ms. Tsuzuri takes her students to a hot spring in order to undergo Butei training. She tells them that their training starts the next day; however, strange things start happening on their way back to their rooms after enjoying the hot spring bath. Details Casts Posters Images Title Aria the Scarlet Ammo - Season 0 Episode 1 : The Butei Come and Train At a Hot Spring Alternative Titles 绯弹的亚莉亚, 绯弹的亚里亚, Hidan no Aria, อาเรีย กระสุนแดงเดือด First Air Date 2011-04-15 Last Air Date 2011-07-01 Number of Episodes 12 Number of Seasons 1 Genres Action & Adventure, Animation, Comedy, Sci-Fi & Fantasy, Networks TBS, CBC, MBS, BS-TBS, AT-X, Casts Rie Kugimiya, Junji Majima, Mariya Ise, Ayako Kawasumi, Kaori Ishihara, Takuya Eguchi, Mikako Takahashi, Takayuki Kondo, Kenji Nojima Plot Keywords , Aria H. Kanzaki Rie Kugimiya Kinji Tooyama Junji Majima Riko Mine Mariya Ise Jeanne d`Arc Ayako Kawasumi Reki Kaori Ishihara Shiranui Ryou Takuya Eguchi Shirayuki Hotogi Mikako Takahashi Mutou Gouki Takayuki Kondo Sayonaki Tooru Kenji Nojima Episodes List Aria the Scarlet Ammo Season 0 :Episode 1 The Butei Come and Train At a Hot Spring The Butei Come and Train At a Hot Spring 2011-12-21 In response to the worsening crime rate, Japan creates Tokyo Butei High, an elite academy where "Butei" or armed detectives hone their deadly skills...