What is the broadcast schedule for the drama 'Mushoran Three Stars'?

It is scheduled to be broadcast in 5 episodes on NHK General, starting at 10 PM on Saturday, May 23, 2026.

Who is the author of the book on which the drama is based?

She is Keiko Kuroyanagi, a current registered dietitian working at Okazaki Medical Prison in Okazaki City, Aichi Prefecture.

Who are the main cast members of the drama?

The main cast includes Eiko Koike, Masahiro Nakamura, Rie Tomosaka, Reo Tamaki, Mendi Shigekuni, and Takeru Kunimura.

What kind of facility is 'Okazaki Medical Prison', the setting of the story?

It is one of the few medical prisons in the country that primarily houses adult male inmates with mental health issues.

What is the main theme of this work?

It is a story about the rehabilitation and interaction with inmates through meal preparation in the highly restricted prison environment.

Drama Adaptation Confirmed: 'Mezase! Musholan Mitsuboshi' Chronicles Prison Dietitian's Struggle

Published May 22, 2026 7:00 PM ・ Updated Jun 14, 2026 4:52 PM ・ 3 min read ・ Source: PR TIMES

Keiko Kuroyanagi's real-life essay about working as a dietitian at Okazaki Medical Prison is being adapted into an NHK drama starring Eiko Koike, starting May 2026.

The non-fiction book 'Mezase! Musholan Mitsuboshi: Prison Dietitian, Making Non-Smelly Meals with Inmates Today Too,' published in October 2023, will be adapted into the NHK Saturday drama 'Musholan Mitsuboshi.'

This book is a factual essay by Keiko Kuroyanagi, a registered dietitian currently working at Okazaki Medical Prison in Okazaki City, Aichi Prefecture. It depicts her daily life preparing 'meals behind bars' alongside inmates, garnering significant attention for its unique subject of 'prison food' and its story of rehabilitation through nutrition.

### Drama Details - Title: Saturday Drama 'Musholan Mitsuboshi' - Broadcast Start: May 23, 2026 (Sat), 10:00 PM (5 episodes total) - Network: NHK General - Starring: Eiko Koike - Cast: Aoi Nakamura, Rie Tomosaka, Leo Tamaki, Mandy Sekiguchi, Jun Kunimura, and others.

### Original Book Information - Author: Keiko Kuroyanagi - Price: 1,650 yen (tax included) - Publisher: Asahi Shimbun Publications

Okazaki Medical Prison, the setting of the book, is one of the few facilities in Japan that houses adult male inmates with mental illnesses. Kuroyanagi aims to create 'exciting school-style lunches' despite strict budget and equipment constraints. The drama, set in a fictional small men's prison, will portray the protagonist's struggle as she faces various inmates through the medium of meal preparation.

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Source: PR TIMES
Category: Event
Organizations: NHK

Drama Adaptation Confirmed: 'Mezase! Musholan Mitsuboshi' Chronicles Prison Dietitian's Struggle

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