Soutai Sekai

The Relative Worlds

What would you like to edit?

Alternative Titles

Japanese: ソウタイセカイ
English: The Relative Worlds
German: The Relative Worlds
French: Les Mondes Parallèles
More titles


Type: ONA
Episodes: 2
Status: Finished Airing
Aired: Apr 28, 2017 to May 5, 2017
Producers: Hulu, Lucky Pictures
Licensors: None found, add some
Studios: Craftar Studios
Source: Original
Genre: Sci-FiSci-Fi
Duration: 15 min. per ep.
Rating: PG-13 - Teens 13 or older


Score: 5.711 (scored by 24442,444 users)
1 indicates a weighted score.
Ranked: #107692
2 based on the top anime page. Please note that 'Not yet aired' and 'R18+' titles are excluded.
Popularity: #6978
Members: 8,461
Favorites: 7

Available At


Ranked #10769Popularity #6978Members 8,461
Add to My List
Episodes: /2


The story is set in Japan in 2020. The story centers on Shin Hazama, and a version of himself who led a different life in another Japan appears. A crack opens in the everyday life that he thought was impossible to change. Boys and girls have to decide what to think and choose when the world changes completely. The battle with another world and another self begins.

(Source: ANN)

Characters & Voice Actors


Yuuki, Aoi


Yuuki, Aoi

Izumi, Kotoko

Uchida, Maaya


Ishii, Tomohiko
Sakuragi, Yuuhei
Director, Script
Theme Song Performance
Theme Song Performance, Theme Song Lyrics, Theme Song Composition, Theme Song Arrangement


Opening Theme

Apple Music
Amazon Music
Youtube Music

Ending Theme


Aug 1, 2022
Preliminary (1/2 eps)
Since nobody's reviewed this I'll just say a few things I liked about episode 1. IT'S STUPENDOUS!

the STORY isn't well formed yet but we know there's 2 worlds: a Normal Japan, and a strange high-tech futuristic one. in the High Tech Japan a guy is executed and (I'm guessing here) members of a cell discover something. cut to a funeral procession in Normal Japan and a boy is left all alone because his father just died. a man offers to let the boy live with him. some mourners leaving the funeral home tell the audience that his entire family is now dead. cut to ...
Jan 13, 2021
Mixed Feelings
Preliminary (1/2 eps)
although the base idea is awesome but it's not really suitable for a 2h movie, a series has to be produced which could have the time for
1) Characterizations
2) digging into the fantasy world
3) making the imaginary world's rules clear (I didn't quite understand the 'fixer')
4) setting more and better plot twists (there was no interesting plot twist)

the movie didn't have time so just everyone had to trust each other immediately and to dive into the action and fight without preparing... it didn't have time to dig down into the mysteries of the two world (including the transfer technology) and there was no time to explain ...
Jan 21, 2018
Mixed Feelings
Basically, it's a 3D Less-Anime-More-BS with an empty story, moe characters, made in photos and good music. Would you watch it?

No spoiler no life, it would be too vague so:

Story: Lots of nonsense, some witch who predicts the future and kills people. Everything starts from the title "Reversed World" aka "Paralel World", but it turns out it's the same world?
Now we can easily understand the cliche and common this concept of this story, following a MC more dull and careless than my sliced cheese. Problems are showing themselves from the first frame, in which someone from ...

Interest Stacks


Recent News

PV Collection for Apr 17 - 23

PV Collection for Apr 17 - 23

Here is a collection of promotional videos (PVs), TV ads (CMs), and trailers for the last week. This thread excludes videos that have already been featured in an more

Original CG Anime 'Soutai Sekai' Cast Members Announced

Original CG Anime 'Soutai Sekai' Cast Members Announced

The official website for previously announced original CG Anime Soutai Sekai has announced main cast members and revealed a trailer. The anime will be streamed via more

Recent Forum Discussion

Poll: Soutai Sekai Episode 2 Discussion
Grest - Sep 5, 2017
14 repliesby Curarpikt93 »»
Apr 30, 2022 3:07 PM
Poll: Soutai Sekai Episode 1 Discussion
Nasako - Apr 29, 2017
28 repliesby Unkrowned »»
Dec 28, 2020 2:07 PM
Episode 2?
Akagi-kun - May 10, 2017
4 repliesby -Miky- »»
May 17, 2017 6:38 AM
Well, it released in Japan on Hulu today, I wonder how long it'll be until it's fan subbed.
Nasako - Apr 28, 2017
2 repliesby Yaboku »»
Apr 29, 2017 11:54 AM
Stark700 - Apr 6, 2017
8 repliesby removed-user »»
Apr 25, 2017 5:28 PM