Masamitsu Chigusa is the young doctor in 'Hirahira Hihiru,' working at Tokyo Prefectural Kagocho Hospital, led by his mentor Shuhei Katori. He was of noble origin, had a strong passion for treating patients with Feng Lao disease, and was entrusted with traveling across Japan to investigate patients' situations.
| Linked games | ヒラヒラヒヒル |
|---|---|
| Identity | Young doctors; Doctor at Tokyo Prefectural Kagocho Hospital |
| Professionalism | Treatment and investigation of patients with Wind Rot |
| Relationship with Shuhei Kadori | Mentor and student during university |
Doctors and Investigators
According to the official character introduction, Masamitsu Chigusa works at Tokyo Prefectural Kagoncho Hospital and was trained by Shuhei Katori, who serves as the director. He has a strong passion for treating patients with Fengrot disease, so he accepted his mentor's commission to travel across Japan to investigate patients' situations.
Character background
Zhengguang comes from a noble family, a background that is listed alongside his status as a doctor in the official profile. The game is set in the fictional early Taisho era, where the institutional environment for patients with Wind Rotting Syndrome is a major social issue; Positive Light Survey connects clinical work with on-site information needed for institutional reform.
| Affiliated work | Hira Hira Hihiru |
|---|---|
| Original name | A thousand kinds of pure light |
Hospital and background
Masamitsu Chigusa is a young doctor from a noble family, working at Tokyo Prefectural Karago Town Hospital. His university mentor, Shuhei Katori, is also the hospital director, and under his guidance, Masamitsu treats Fengrot disease.
National patient survey
Masamitsu is passionate about treating patients and has accepted Katori's commission to travel across Japan to understand patients' actual situations. Medical work extends from hospitals to local living environments, and the findings from the survey will serve as material to drive institutional improvements.
Companions and friends
Photographer Kikuei Tsuji participates in the investigation and travels with Masamitsu. She studied at a photography school that only admitted women and worked at a photography studio. Masamitsu's classmate, Soichi Nomura, is also his friend; Soichi suffers from Wind Rot; Thus, illness is both a professional issue and a connection to the people he knows.
Narrative positioning
Masamitsu and his student Takeo Tenma form two observational perspectives in the game: one actively conducts medical investigations, while the other has no prior connection to the disease. The story depicts the alternate Taisho society through the different groups they interact with. In 'Hirahira Hihiru,' he is voiced by Keisuke Kawamoto.
Identity and life
Passionate about treating wind rot syndrome, invited by the director to investigate patients' conditions across Japan.
Character relationships
Kacho was his university teacher and now the director; Soichi Nomura was both a classmate and a good friend; photographer Kikuei Tsuji accompanied him.
Identity in Hira Hira Hihiru
In this story, his biological mother is already suffering from Rheumatism, and he faces the choice of whether to take her away from her original home. The branch where the mother meets the family is left with brief moments together; He himself later fell ill and returned to working as a doctor in the end, considering studying abroad with Asaki.
Related entries
- Featured games:Hira Hira Hihiru
- Mentor:Shuhei Katori (Hirahira Hihiru)
- Associated Work:Hira Hira Hihiru
- Mentor and Dean:Shuhei Katori (Hirahira Hihiru)
- Classmates and Friends:Soichi Nomura (Hirahirahihiru)
- Survey peers:Kikuei Tsuji (Hirahira Hihiru)
- Work, residence, or medical conditions:Kago Town Hospital (Hirahirahihiru)
- Game voice acting:Keisuke Kawamoto
- Featured works:Hira Hira Hihiru
- Ill birth mothers needing care:Masamitsu Chigusa's biological mother (Hira Hira Hihiru)
- Artists considering studying abroad together in the ending of Continued Life:Nomura Asa (Flapping Fluff)
- University Mentor:Shuhei Katori (Hirahira Hihiru)
References
- Official character introduction for 'Flira Hirahihiru'
- Official Aniplex work introduction
- una_008: Hands-on gameplay with the Twin Protagonists Fluttering Double Protagonists
- Mt_SS: Fluttering Ridge Branch Play-Off
Rewrite the factual introduction based on the official materials listed; No game scripts, lyrics, or audiovisual materials are reproduced.
Data compiled on: 2026-10-07.