Psychopath Diary
The story of a man named Yook Dong-sik who coincidentally witnesses a murder and picks up the killer's diary. While fleeing the scene, he gets into a car accident causes him to lose his memory. Due to the diary in his possession, he mistakenly believes that he is a psychopathic serial killer.
Written by Ryu Yong-jae
Where to watch in 
Japan
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Stream included with subscription
Free with ads
Frequently asked questions
Where can I watch Psychopath Diary in Japan?
Psychopath Diary is available to stream in Japan with a subscription to Amazon Prime Video, Amazon Prime Video with Ads, and FOD, and free with ads on FOD.
Is Psychopath Diary on Amazon Prime Video in Japan?
Yes. Psychopath Diary is included with a Amazon Prime Video subscription in Japan.
Is Psychopath Diary available to stream for free in Japan?
Yes. Psychopath Diary can be streamed free with ads in Japan on FOD.
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