Also known as: スターリースカイ・ブライト
The default costume for all Idols in Idolmaster Cinderella Girls Starlight Stage.
Deep Sky Blaze (Idolmaster), an Official Alternate Color version of this outfit, was released in the Starlight Stage dress shop on September 20, 2017.
It is also worn by characters from Tales Of (Series) as part of a collaboration.