Kaede Takagaki
main character
MUSIC
5.9
My TrackerPLANNING
Episode: 0 / 1
My Score:
Anime DetailsFINISHED
Estimated watch time
0h 2m
⚡ 1 days at 5 eps/day
Tags & Tropes
Idol79%Space20%
overview details
Synopsis & Story
Music video for the song Seikan Sekai celebrating the 6th anniversary of The IDOLM@STER Cinderella Girls: Starlight Stage mobile game. Animated by studio KAI.
Trailer
Search YouTubeWhere to Watch Officially
Availability, audio and subtitles vary by region and service.
Featured Cast & Voice Actors
Franchise Universe & Related Entries
Fans Who Watched This Also Loved
Aniphoria guide
Seikan Sekai: should you watch it?
At a glance
Seikan Sekai has been poorly received, with an average AniList score of 59/100 — 33% of 140 ratings are 8/10 or higher.
Of the 349 AniList users who started it, 4.3% dropped it, so it is rarely abandoned; 298 have finished it.
At about 2 minutes in total, it is a short commitment — a weekend binge.
Best for viewers who enjoy Sci-Fi — especially idol.
Where it fits in the series
Main cast & creators
- Director
- Jun Nakajima
- Character design
- Yuusuke Souen
Seikan Sekai FAQ
- How many episodes does Seikan Sekai have?
- Seikan Sekai has 1 episodes of about 2 minutes each, roughly 2 minutes in total.
- Is Seikan Sekai finished?
- Yes. Seikan Sekai has finished airing — the final episode aired September 2, 2021.
- Is there a season 2 of Seikan Sekai?
- No sequel is listed for Seikan Sekai as of October 2026.
- Is Seikan Sekai based on a video game?
- Yes. Seikan Sekai adapts the video game.
- Who animated Seikan Sekai?
- Seikan Sekai was animated by Studio KAI and directed by Jun Nakajima.
- Where can I watch Seikan Sekai?
- Seikan Sekai is listed on YouTube. Availability varies by region — check the streaming links on this page.