Dementia 21
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Alternative Titles

Synonyms: Separate, Tantei SumoKING, India de Ransuu
Japanese: ディメンシャ 21
English: Dementia 21
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Information

Type: Manga
Volumes: 7
Chapters: 37
Status: Finished
Published: Jan 27, 2011 to Oct 31, 2013
Genres: Avant Garde Avant Garde, Horror Horror
Serialization: Comicloud
Authors: Kago, Shintarou (Story & Art)

Statistics

Score: 7.321 (scored by 12761,276 users)
1 indicates a weighted score.
Ranked: #47572
2 based on the top manga page. Please note that 'R18+' titles are excluded.
Popularity: #3615
Members: 6,741
Favorites: 67
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Dementia 21
7.32
Ranked #4757Popularity #3615Members 6,741
MangaComicloudKago, Shintarou (Story & Art)
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Volumes: /7
Chapters: /37

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Synopsis

What will nursing be like in the future?

Yukie Sakai, a home care giver, is a specialist for nursing patients under the serious condition. The patients are, for example, "Reddleman," the hero who used to protect peace on earth, and the president of an advanced nursing home in which everything is controlled by machines, and...!

(Source: BookLOUD)

Included one-shots:
Volume 1: Tantei SumoKING (Detective SumoKING), India de Ransuu
Volume 2: Separate

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Background

Dementia 21 was published in English by Fantagraphics in two volumes from September 25, 2018, to February 18, 2020. It was also released in Brazilian Portuguese by Editora Todavia from March 5, 2020, to September 11, 2023.

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More characters
Characters

 Sakai, Yukie
Main
Santa Claus
Supporting

Reviews

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3 Recommended
0 Mixed Feelings
0 Not Recommended
All reviews (3)
Oct 20, 2022
RubanS
Recommended
Dementia 21 is a very surreal manga about a home help aide who helps out elderly people with no clue about how bizarre things can get.
The artwork is very detailed and is something that I personally like. There's no plot as such, since each chapter is a plot in itself, but I suppose this is a manga which heavily relies on the art rather than the plot.
No comments about characters since it's as relevant as the plot.

Overall it was an enjoyable read, especially if you are into surreal/bizarre/experimental stuff. It's sort of like Junji Ito's works, but without the gore.
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Aug 26, 2025
dy10120911
Recommended
Dementia 21 is a series of short stories about the day-to-day work of a home caregiver. Based on the description alone, it might sound boring and mundane, but Shintaro Kago’s creativity completely upends that expectation. Absurdity is perhaps the best word to describe this manga—each chapter brings a new surprise. Kago continually finds inventive ways to make each story ridiculously absurd yet undeniably funny. The series also tackles many social and eldercare issues in Japan, which not only lends the manga a sense of dark humour but also adds weight to the narrative, creating the feeling that some kind of reality persists even within its ...
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Jun 18, 2019
T3Deliciouz
Recommended
Preliminary (17/37 eps)
This is a review based off Fantagraphics release which has published the first 17 chapters.

Absurdist and surrealist comedy and horror with sociopolitical commentaries. Shintaro Kago's art is trippy and confusing and it reflects in his storytelling methods. Everything written and illustrated has dark undertones to it while the incomprehensible situation before you will have you in tears laughing.

The story itself is a series of short stories following the protagonist Yukie with each chapter being about a new elder(s) she's taking care of. As such we don't get to have much time with each character, but the time we do get is fleshed out appropriately ...
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More discussions
Recent Forum Discussion

One-shots
Ashteron - Aug 11		 0 repliesby Ashteron »»
Aug 11, 6:58 AM
how many chapters are in each japanese volume?
icedodin - Sep 1, 2024		 1 repliesby icedodin »»
Sep 2, 2024 3:18 AM
Poll: Dementia 21 Chapter 22 Discussion
Polnarefferu - Apr 26, 2022		 0 repliesby Polnarefferu »»
Apr 26, 2022 10:40 PM
Poll: Dementia 21 Chapter 10 Discussion
0309 - Apr 17, 2020		 0 repliesby 0309 »»
Apr 17, 2020 7:23 AM

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