TV Aria the Scarlet Ammo - Season 1 Episode 4 : Butei Killer Aria the Scarlet Ammo - Season 1 Episode 4 : Butei Killer 7.3/10 by 60 users After having nightmares concerning the events surrounding his older brother's death, Kinji ends up following Aria who goes to the police station to talk with her mother, Kanae, who is currently incarcerated as a suspect of the Butei killings. She mentions that Aria needs to find a partner to use her ability, as well as someone known as 'E.U.' The next day, Kinji hears word that Aria will be flying back to London. Later, Kinji goes to meet Riko, who reveals information concerning the Butei Killer, which also mentions his brother who died during a 'sea-jacking', before pulling some moves which sends Kinji into his Hysteria Mode. With his heightened senses, Kinji deduces that Aria's plane is being targeted by the Butei Killer, managing to get on it before it takes off. During the flight, Kinji learns that Aria has a fear of lightning before the Butei Killer announces his hijacking. Details Casts Posters Images Title Aria the Scarlet Ammo - Season 1 Episode 4 : Butei Killer 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 1 :Episode 1 La Bambina La Bambina 2011-04-15 In response to the worsening crime rate, Japan creates Tokyo Butei High, an elite academy where "Butei" or armed detectives hone their deadly skills... Aria the Scarlet Ammo Season 1 :Episode 2 Aria the Quadra Aria the Quadra 2011-04-22 In response to the worsening crime rate, Japan creates Tokyo Butei High, an elite academy where "Butei" or armed detectives hone their deadly skills... Aria the Scarlet Ammo Season 1 :Episode 3 First Mission First Mission 2011-04-29 In response to the worsening crime rate, Japan creates Tokyo Butei High, an elite academy where "Butei" or armed detectives hone their deadly skills... Aria the Scarlet Ammo Season 1 :Episode 4 Butei Killer Butei Killer 2011-05-06 In response to the worsening crime rate, Japan creates Tokyo Butei High, an elite academy where "Butei" or armed detectives hone their deadly skills... Aria the Scarlet Ammo Season 1 :Episode 5 Butei Charter Article 1 Butei Charter Article 1 2011-05-13 In response to the worsening crime rate, Japan creates Tokyo Butei High, an elite academy where "Butei" or armed detectives hone their deadly skills... Aria the Scarlet Ammo Season 1 :Episode 6 Maiden of Hotogi Shrine Maiden of Hotogi Shrine 2011-05-20 In response to the worsening crime rate, Japan creates Tokyo Butei High, an elite academy where "Butei" or armed detectives hone their deadly skills... Aria the Scarlet Ammo Season 1 :Episode 7 Caged Bird Caged Bird 2011-05-27 In response to the worsening crime rate, Japan creates Tokyo Butei High, an elite academy where "Butei" or armed detectives hone their deadly skills... Aria the Scarlet Ammo Season 1 :Episode 8 Durandal Durandal 2011-06-03 In response to the worsening crime rate, Japan creates Tokyo Butei High, an elite academy where "Butei" or armed detectives hone their deadly skills... Aria the Scarlet Ammo Season 1 :Episode 9 Honey Trap Honey Trap 2011-06-10 In response to the worsening crime rate, Japan creates Tokyo Butei High, an elite academy where "Butei" or armed detectives hone their deadly skills... Aria the Scarlet Ammo Season 1 :Episode 10 Special Training Special Training 2011-06-17 In response to the worsening crime rate, Japan creates Tokyo Butei High, an elite academy where "Butei" or armed detectives hone their deadly skills... Aria the Scarlet Ammo Season 1 :Episode 11 Infiltration Infiltration 2011-06-24 In response to the worsening crime rate, Japan creates Tokyo Butei High, an elite academy where "Butei" or armed detectives hone their deadly skills... Aria the Scarlet Ammo Season 1 :Episode 12 Vlad Vlad 2011-07-01 In response to the worsening crime rate, Japan creates Tokyo Butei High, an elite academy where "Butei" or armed detectives hone their deadly skills...