Subete ga F ni Naru

The Perfect Insider

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Alternative Titles

Synonyms: Everything Becomes F: The Perfect Insider
Japanese: すべてがFになる THE PERFECT INSIDER
English: The Perfect Insider
German: The Perfect Insider: Subete ga F ni naru
Spanish: The Perfect Insider
French: The Perfect Insider: Surdduee et Meurtriere - Elle est la Cle de l'Enquête
More titles


Type: TV
Episodes: 11
Status: Finished Airing
Aired: Oct 9, 2015 to Dec 18, 2015
Premiered: Fall 2015
Broadcast: Fridays at 00:55 (JST)
Licensors: Sentai Filmworks
Studios: A-1 Pictures
Source: Novel
Genres: MysteryMystery, Sci-FiSci-Fi
Themes: Adult CastAdult Cast, DetectiveDetective, PsychologicalPsychological
Duration: 23 min. per ep.
Rating: R - 17+ (violence & profanity)


Score: 7.241 (scored by 6797667,976 users)
1 indicates a weighted score.
Ranked: #29102
2 based on the top anime page. Please note that 'Not yet aired' and 'R18+' titles are excluded.
Popularity: #1339
Members: 167,756
Favorites: 706

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Ranked #2910Popularity #1339Members 167,756
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Episodes: /11
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In a research facility hidden away on a remote island, genius programmer Shiki Magata has lived as a recluse for years. She rarely sees guests, but associate professor Souhei Saikawa and university student Moe Nishinosono still seek her out. However, their meeting is cut short when they are caught up in a locked-room murder mystery.

Everything is not as it seems, and many secrets are hidden. Within an isolated facility, a seemingly impossible and gruesome crime takes place, and Saikawa and Moe must unravel the truth behind the murder and Magata's shrouded past.

[Written by MAL Rewrite]


Subete ga F ni Naru is based on the Japanese mystery novel of the same name by Hiroshi Mori, which was released on April 5, 1996.

Episodes 1 and 2 were previewed at a screening at Zepp Tokyo on September 30, 2015. Regular broadcasting began on October 9, 2015.

Episode Videos

Related Anime

Characters & Voice Actors


Kanbe, Mamoru
Director, Episode Director, Storyboard
Shimizu, Katsunori
Sound Director


Opening Theme

Apple Music
Amazon Music
Youtube Music
"talking" by KANA-BOON

Ending Theme


Jun 21, 2021
I even forgot about the topic because I started watching it randomly. Although the answer is clear from the beginning in mystery genre anime, there were parts of it that I did not understand until the end. Although the explanations of the crime come quickly, you can understand better by reading the comments. I liked the philosophy and thought of the character we call "villain". People generally thought it was psychopathic and ridiculous. However, I think the professor and the criminal character were very well written characters. On the other hand, I felt like there was a forced romance, the main character girl was very ...
Aug 15, 2023
Mixed Feelings
After passing it over at least half a dozen times while deciding which anime to watch, my wife and I finally gave The Perfect Insider a go and if nothing else it was certainly unique and didn't feel overly like any other anime we've seen. At just 11 episodes it's a fast, approachable program, though it somehow manages to feel like it doesn't truly even have enough content to fill that very short run time, and it certainly loses steam towards the end as well, leaving us with an overall mixed bag that I'll now discuss with a bit more detail.

From the very beginning the ...
Jan 1, 2023
How about just dont watch this anime for your own sake someone recommended this anime was like "Sakurako-san no Ashimoto ni wa Shitai ga Umatteiru" but boy were they wrong... the plot sucked so bad that i had to warn people not to watch. This anime will get ur head scratching wtf is going... The two protagonists are somehow shut in a closed room case you would think it would be full of suspense and action but instead u get them siting on coaches talking trash with each other for God knows what reason. The mystery of the case just unfolds by itself and in ...

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