Real Onigokko: The Origin
- Title: リアル鬼ごっこ THE ORIGIN
- Title (romaji): Riaru Onigokko THE ORIGIN
- Format: Renzoku
- Episodes: 12
- Broadcast network: TVS, Chiba TV, tvk
- Broadcast period: 2013-Apr-09
An odd murder case that only targets persons with the family name "Sato" occurs in Japan. Meanwhile, high school student Tsubasa Sato winds up in a parallel world during a fight with a gangster. Everything seems almost the same, but his friends & classmates are somehow different from who they used to be.
Tsubasa Sato can not comprehend what is happening around him, but when he sees a girl getting killed in front of him by a persuer, he finds out that he is now in a world where the Lord of the land plays a fatal game of "tag". The real chasing game ("Onigokko") that targets people named "Sato".
Based on the novel "Riaru Onigokko" by Yusuke Yamada (published December 15, 2001 by Bungeisha Publishing Co.,Ltd.).
- Hongo Kanata as Satou Tsubasa
- Sasahara Naoki as young Tsubasa (ep10-11)
- Shimizu Fumika as Satou Ai
- Yokohama Ryusei as Satou Yo
- Okayama Amane
- Director: Koji Soejima
- Writer: Yusuke Yamada (novel), Takeshi Miyamoto