

K: SEVEN STORIES "Lost Small World - Outside the Cage - "
- Film
- Fall 2018
- 66 min
- GoHands
- Light novel
- PG-13
- Action
- Super Power
Contents
Trailer · PV1 | ||
| Japanese | K Seven Stories Lost Small World ~檻の向こうに~ | |
|---|---|---|
| Romanized | K: Seven Stories Movie 4 - Lost Small World - Ori no Mukou ni | |
| Also known as | K: Seven Stories - Lost Small World - To the Other Side of the Cage | |
| Genre | Action, Super Power | |
| Type | Film | |
| Based on | Light novel | |
| Written by | Rei Rairaku | |
| Studio | GoHands | |
| Released | October 6, 2018 | |
| Running time | 66 min | |
| Status | Finished airing | |
| Season | Fall 2018 | |
| Age rating | PG-13 – Teens 13 and older | |
| Score | ★ 7.41 | |
| On users' lists | 10,159 Kitsu, Shikimori | |
| Streaming | Crunchyroll | |
| Light novel · K: Lost Small World | ||
| Written by | Yukako Kabei, Shingo Suzuki | |
| Original run | April 1, 2014 | |
| Volumes | 1 | |
| Chapters | 9 | |
K: SEVEN STORIES "Lost Small World - Outside the Cage - " (Japanese: K Seven Stories Lost Small World ~檻の向こうに~, Hepburn: K: Seven Stories Movie 4 - Lost Small World - Ori no Mukou ni) is a 2018 Japanese anime film based on the light novel series. It is animated by GoHands. The film was released on October 6, 2018.
Characters
Main characters
Supporting characters
Nagare Hisui · Mysterious boy · Niki Fushimi · Kisa Fushimi
Production
Key staff
Staff
| Studio | GoHands |
|---|---|
| Series Composition | Rei Rairaku |
| Sound Director | Ryou Tanaka |
Music
Opening themes
- OP 1“SURVIVE” — angelaAnimeThemes
Ending themes
- ED 1“Lost Small World ~Ori no Mukou ni~” — angelaAnimeThemes
Songs, performers and episodes from AnimeThemes.
Where to watch
Streaming services that list K: SEVEN STORIES "Lost Small World - Outside the Cage - ". What you can watch depends on your country. Acino does not host any video; each link leads to the service's own page.
Videos and pictures
Trailers and music
Gallery
Ratings and statistics
Score distribution
On users' lists
- Plan to watch3,708
- Watching79
- Completed4,364
- On hold113
- Dropped97
Ratings and list counts come from Shikimori, whose scores mirror MyAnimeList.
Audience
How many people follow this anime on the largest anime databases. The numbers are refreshed every few days; one person may use several sites.
| Site | Members | Watching | Completed | Plan to watch | Dropped | Favorites |
|---|---|---|---|---|---|---|
| Kitsu | 1,798 | — | — | — | — | 4 |
| Shikimori | 8,361 | 79 | 4,364 | 3,708 | 97 | — |
Related works
| Original work | K: Lost Small World (Manga) K: Lost Small World (Light novel) |
|---|---|
| Prequel | K: SEVEN STORIES "SIDE:GREEN - Overwrite World - " (Film, 2018) |
| Sequel | K: SEVEN STORIES "Memory of RED - BURN -" (Film, 2018) |
| Spin-off | K: Seven Stories - The Idol K (Film, 2018) |
Recommendations
Titles that share the most genres with K: SEVEN STORIES "Lost Small World - Outside the Cage - ".
8.67To Be Hero XONA · 2025
7.62K: Missing KingsFilm · 2014
7.54K: Return of KingsTV series · 2015
8.04Darker than BlackTV series · 2007
7.92My Hero Academia: Heroes RisingFilm · 2019
7.89Darker Than Black: Gemini of the Meteor OVAsSpecial · 2010
7.52My Hero Academia: Two HeroesFilm · 2018
7.42Darker than Black: Gemini of the MeteorTV series · 2009
7.41KTV series · 2012
7.34My Hero Academia: Two Heroes SpecialsSpecial · 2019
7.24Hamatora The AnimationTV series · 2014
8.51JoJo's Bizarre Adventure: Diamond Is UnbreakableTV series · 2016References
- “K: Seven Stories Movie 4 - Lost Small World - Ori no Mukou ni”. Shikimori. Retrieved November 11, 2026.
- “K: Seven Stories Movie 4 - Lost Small World - Ori no Mukou ni”. MyAnimeList. Retrieved November 11, 2026.
- “K: SEVEN STORIES "Lost Small World - Outside the Cage - "”. Kitsu. Retrieved November 11, 2026.
- “K: SEVEN STORIES "Lost Small World - Outside the Cage - "”. AnimeThemes. Retrieved November 11, 2026.
The facts on this page come from the databases listed above. The article text is written by Acino with AI assistance, using only those facts.
























