Seikan Sekai
Japanese title: 星環世界
Type: Music
Episodes: 1
Source: Game
Genres: Sci-Fi
Studios: Studio Kai
Duration: 2 min
Rating: G - All Ages

Music video for the song Seikan Sekai celebrating the 6th anniversary of The IDOLM@STER Cinderella Girls: Starlight Stage mobile game.

(Source: Anilist)