
Ryouko Yakushiji
main character



Based on a series of light novels written by Tanaka Yoshiki and illustrated by Kakinouchi Narumi. The story revolves around Ryouko Yakushiji, a 27-year-old multilingual investigator that graduated from Tokyo University's elite Department of Law, and the bizarre cases she faces while working for the Tokyo Metropolitan Police. Yakushiji not only has to deal with supernatural beings in her line of work, but also her rival Yukiko Muromachi, another equally talented and beautiful police investigator. (Source: AniDB)
Probably, if you enjoy mystery and supernatural, especially stories with police, primarily adult cast, female protagonist.
Reception is positive but mixed: 66/100 on AniList, with 33% of 1.1K ratings at 8/10 or higher. It's the #67 highest-rated anime of 2008.
11.3% of viewers drop it before the end, more than most, so give it a few episodes to see if it clicks.
At about 4 h 59 min in total, it is a short commitment — a weekend binge.
Availability, audio and subtitles vary by region and service.
13 episodes are listed.
Theme data from AnimeThemes.moe.
Ryoko's Case File has 13 episodes of about 23 minutes each, roughly 4 h 59 min in total.
About 4 h 59 min back to back. At two episodes a day it takes 7 days; at one hour a day, about 5 days.
Yes. Ryoko's Case File has finished airing — the final episode aired September 28, 2008.
No sequel is listed for Ryoko's Case File as of October 2026. You can continue the story in the original light novel.
Yes. Ryoko's Case File adapts the light novel by Yoshiki Tanaka.
Ryoko's Case File was animated by Doga Kobo and directed by Tarou Iwasaki.
The opening, "Thème Principal", is performed by angela.
Ryoko's Case File is listed on RetroCrush, Tubi TV. Availability varies by region — check the streaming links on this page.