Okitegami Kyoko no Biboroku NTV Fall Drama 2015

  • Drama: The Memorandum of Kyoko Okitegami (English & literal title)
  • Romaji: Okitegami Kyoko no Biboroku
  • Japanese: 掟上今日子の備忘録
  • Director: Toya Sato, Yoshinori Shigeyama, Naoko Komuro
  • Writer: Isin Nisio (novel), Akiko Nogi
  • Producer: Masahiro Mori
  • Network: NTV
  • Episodes: 10
  • Release Date: October 10-December 12, 2015
  • Runtime: Saturdays 21:00-21:54
  • TV Ratings: 9.7% (weekly average)
  • Language: Japanese
  • Country: Japan


Kyoko Okitegami (Yui Aragaki) is a private detective. She is known as the Forgetful Private Detective. When she wakes up in the morning, her memory is reset. Due to this, she rigidly adheres to a maintenance secret. No matter what case she has, she has to solve the case in a day. On her body, she has an important note that she must never forget.

Even though Yakusuke Kakushidate (Masaki Okada) has a crush on Kyoko Okitegami, he is alway mistaken as the culprit of a case by Kyoko Okitegami. No matter how close Yakusuke Kakushidate gets to Kyoko Okitegami, she totally forgets about him by the next day.


  1. Based on the novel “Okitegami Kyoko no Biboroku” by Isin Nisio (published October 14, 2014 by Kodansha Box).


The Memorandum of Kyoko Okitegami-Yui Aragaki.jpg The Memorandum of Kyoko Okitegami-Masaki Okada.jpg The Memorandum of Kyoko Okitegami-Mitsuhiro Oikawa.jpg The Memorandum of Kyoko Okitegami-Arioka Daiki.jpg The Memorandum of Kyoko Okitegami-Rio Uchida.jpg
Yui Aragaki Masaki Okada Mitsuhiro Oikawa Arioka Daiki Rio Uchida
Kyoko Okitegami Yakusuke Kakushidate Horo Kizunai Nuru Narikawa Makuru Makuma

Additional Cast Members:

Episode Ratings

Episode Date Ratings
(Kanto Region)
01 10/10/2015 12.9%
02 10/17/2015 10.3%
03 10/24/2015 10.9%
04 10/31/2015 10.2%
05 11/07/2015 8.8%
06 11/14/2015 7.6%
07 11/21/2015 9.3%
08 11/28/2015 7.2%
09 12/05/2015 9.2%
10 12/12/2015 10.5%
Average 9.7%