Mizutamari ni Ukabu Shima
Island in a Puddle
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Mizutamari ni Ukabu Shima

Alternative Titles

Synonyms: The Island Where Puddles Float
Japanese: 水溜まりに浮かぶ島
English: Island in a Puddle
More titles


Type: Manga
Volumes: 5
Chapters: 25
Status: Finished
Published: Nov 26, 2019 to Sep 28, 2021
Genre: Drama Drama
Theme: Psychological Psychological
Demographic: Seinen Seinen
Serialization: Evening
Authors: Sanbe, Kei (Story & Art)


Score: 7.061 (scored by 402402 users)
1 indicates a weighted score.
Ranked: #78042
2 based on the top manga page. Please note that 'R18+' titles are excluded.
Popularity: #10094
Members: 1,773
Favorites: 7

Available At

Ranked #7804Popularity #10094Members 1,773
MangaEveningSanbe, Kei (Story & Art)
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Volumes: /5
Chapters: /25
Available on Manga Store
Island in a Puddle
Volume 1


Due to their mother's frequent absence, 11-year-old elementary school student Minato Myoujin and his younger sister, Nagisa, are often left alone in their apartment. The only company that keeps the young siblings optimistic is their neighbor, Futaba Tachibana, and the local shrine's puppy, Zarame. Even with their mother's sporadic presence in their lives, Minato knows that she always eventually comes back home.

After an unusually long two-week absence, Minato's mother returns just in time for Nagisa's birthday. To celebrate the occasion, the three go to the amusement park. However, the siblings' mother leaves them in the Ferris wheel, walking off into the rainy night just before thunder strikes two of the ride's cars. When he regains consciousness, Minato realizes that he has switched bodies with someone—a man wanted by the police for murder! Now on the run, Minato must find a way to return to his body in order to protect his sister.

[Written by MAL Rewrite]


Mizutamari ni Ukabu Shima was published in English as Island in a Puddle by Kodansha USA from March 15, 2022, to February 14, 2023.


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Feb 14, 2023
This is alright. I'm not too sure if Sanbe-sensei managed to complete this manga the way he wanted to, but it did feel a bit rushed towards the end. This isn't sensei's best work, but it's still fairly compelling throughout. This manga is probably worth a reread further down the line, but it's hard to see this work as anyone's favorite Sanbe Kei manga.

The artwork is his usual style - somewhat middling but has an uncanny look to it that suits the mystery and crime genre very well. The writing is good overall. Generally speaking, past a certain point in Sanbe-sensei's career most of ...
Jul 19, 2021
Mixed Feelings
Preliminary (9/25 eps)
Most readers who know Kei Sanbe know him for Boku dake ga Inai Machi and how great it was. So after liking that the next logical step was to start reading his latest ongoing manga.

The beginning of Mizutamari ni Ukabu Shima feels a bit samey compared to Boku dake ga Inai Machi with having themes of broken families and crime solving, but after a few chapters it differs enough for it to be a whole different story. Some elements still feel the same though atleast at the time of writing.

The art is what you would expect from Sanbe. You either love it or hate it. ...

Interest Stacks

by Dreik55
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Recent Forum Discussion

Poll: Mizutamari ni Ukabu Shima Chapter 25 Discussion
waalex11 - Feb 7, 2023
2 repliesby nidoqueen106_2 »»
Jan 12, 1:14 PM
Poll: Mizutamari ni Ukabu Shima Chapter 1 Discussion
Hana-mo - Oct 29, 2020
1 repliesby SDobbs »»
Sep 7, 2023 10:06 PM
Poll: Mizutamari ni Ukabu Shima Chapter 2 Discussion
waalex11 - Feb 7, 2023
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Feb 7, 2023 4:42 PM
Poll: Mizutamari ni Ukabu Shima Chapter 6 Discussion
LastLuminescence - May 13, 2020
0 repliesby LastLuminescence »»
May 13, 2020 7:53 PM