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Web Series

Diary

201849m1 season
Official site

Where to watch Diary in Japan

Diary is streaming on NHK On Demand Amazon Channel in Japan. Availability checked 13 June 2026.

About Diary

Diary is a 2018 web series in the Drama and Family genres, starring Misako Renbutsu, Momoko Kikuchi and Aoi Nakamura. It spans 1 season and 4 episodes, and originally aired on NHK BS Premium. Below you can see where to watch Diary in Japan — across streaming, rental and purchase options — along with the full cast, trailer and viewer reviews.

Overview

Miyata Ayaka (Renbutsu Misako), an office worker, sees her world collapse around her when her mother Miyata Harumi (Kikuchi Momoko) collapses due to illness and is left in a coma because of it. She then discovers that her mother kept a secret diary that she writes with her high school friends and that the lies she has told her have become evident, with nothing to lose. Ayaka will travel to Kaga, in Ishikawa Prefecture, her mother's hometown, to try to clarify the truth of the lie in her mother's secret diary.

Seasons (1)

  • Season 14 episodes · 2018

Top cast

Themes & keywords

comadiaryfriendshipromancetravelhospitalhometownmother daughter relationshipoffice worker

Frequently asked questions

Where can I watch Diary in Japan?+

In Japan, you can stream Diary on NHK On Demand Amazon Channel.

Is Diary on Netflix?+

Diary is not on Netflix in Japan right now, but you can stream it on NHK On Demand Amazon Channel.

How many seasons of Diary are there?+

Diary has 1 season and 4 episodes in total.

Who stars in Diary?+

Diary stars Misako Renbutsu, Momoko Kikuchi, Aoi Nakamura, Nene Otsuka and Mari Hamada.

When did Diary come out?+

Diary is a 2018 web series.

What genre is Diary?+

Diary is Drama and Family series.

User reviews

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