Episodes Episode #1.1 April 4, 2013 Episode #1.2 April 16, 2013 Episode #1.3 April 23, 2013 Episode #1.4 April 30, 2013 Episode #1.5 May 7, 2013 Episode #1.6 May 14, 2013 Episode #1.7 May 21, 2013 Episode #1.8 May 28, 2013 Episode #1.9 June 4, 2013 Episode #1.10 June 11, 2013 Episode #1.11 June 18, 2013 Episode #1.12 June 25, 2013 Cast Kanata Hongô ... Tsubasa Sato (12 episodes) Fumika Shimizu ... Ai Sato (12 episodes) Ryûsei Yokohama ... Yo Sato (12 episodes) Atsushi Hashimoto   (3 episodes) Shizuka Midorikawa ... Rena Sato (2 episodes)

Additional Info Premiere: April 04, 2013 Country: Distributor: Geneon Entertainment Websites: Alternate Titles Riaru Onigokko: The Origin Production Companies Chiba TV Geneon Universal Entertainment Sedic Deux TV Saitama Television Kanagawa (TVK) Distributors Chiba TV   (2013) (Japan) (TV) Geneon Universal Entertainment   (2013) (Japan) (box set) (DVD) TV Saitama   (2013) (Japan) (TV) Television Kanagawa (TVK)   (2013) (Japan) (TV) Rating Stats Overall Rating 5.9 / 10 Our Rating -- / 10 Your Friends -- / 10 Male Users -- / 10 Female Users -- / 10 Site Ranking #15,608 / 21,408 Site Ranking #15,599 AJ Styles: Most Phenomenal Matches (2018) #15,600 There Is A Monster (2024) #15,602 Torment (2022) #15,604 The Ketchup Vampires II (1996) #15,608 The Chasing World: The Origin (2013) #15,621 Monster Cops: The Midnight Special (2006) #15,623 Unspeakable: The Life & Art Of Reverend Steven Johnson Leyba (2002) #15,625 Exploited (2010) #15,626 The American Streetfighterz Trilogy: Street Godz Of War II (2006)