Also known as: ホーリーナイトドレス
Holy Night Dress is an EXTEND costume that first appeared as downloadable content for THE iDOLM@STER Live for You!. It was consistently available in the rest of the First Vision series. Another costume in the EXTEND category, Holy Night Gifter (Idolmaster), a direct copy of Hibiki's and Takane's variants of the costume, were included in THE iDOLM@STER 2 and the following Second Vision games.