Home/Discover/Seikan SekaiSeikan Sekai星環世界Seikan Sekai2021 · music · 1 episodes▶ Watch episode 1+ My listWatch trailer ↗ OverviewEpisodesTrailerThe storymusicMusic video for the song Seikan Sekai celebrating the 6th anniversary of The IDOLM@STER Cinderella Girls: Starlight Stage mobile game.(Source: Anilist)IdolMusicEpisodesChoose your next chapterEpisode titles follow your spoiler shield.Edit watched progress1Episode 12 min▶Official trailerA first look at the storyPlay trailer ↗More in this worldRelated animeTHE IDOLM@STER CINDERELLA GIRLSTV · 2015