At the Seisho Music Academy, the 99th Graduating Class is rehearsing for the annual production of the theatrical play, Starlight. Behind the scenes, however, an underground "Revue Starlight" audition, orchestrated by a talking giraffe, pits the students against each other in stage battles in order to shine as the top star. Karen Aijō, upon being reunited with her childhood friend Hikari Kagura, comes across these auditions and battles to become the top star alongside Hikari.

After the events of Revue Starlight ―The LIVE― #1 revival, Seiran General Arts Institute challenges Seisho Music Academy to a revue with the right to perform the play "Starlight" at stakes. Who will win this Cultural Exchange Program?

Revue Starlight ―The LIVE Seiran― BLUE GLITTER is a spin-off of Revue Starlight ―The LIVE― #2 Transition and features the students and staff of Seiran General Art Institute, which aims to win the national high school drama championship overall. Koharu Yanagi, head of the drama major in the stage department, is impatient because the performance has not been decided. The impatience spreads to deputy chiefs Ryo Minamifu and Hyonami Honami, and the gears of the three people slowly start to go haywire.

Revue Starlight -The LIVE ONLINE- was a short stage play screened at AEON Cinema Makuhari Shintoshin and streamed online through eplus on July 12th, 2020. It serves as a prequel for the third stage play, which was postponed from July 2020 to July 2021. It was directed by Akiko Kodama and written by Kaori Miura.

As a new school year begins at Seisho Music Academy, nine third-year students in Class A of the Actor Training Department deepen their bonds as they approach graduation. They reminisce about their growth and face uncertain futures while preparing for classes. The story revolves around their determination to pursue their dreams and the challenges they encounter during the Giraffe's Revue, highlighting their growth and transition to the next chapter of their lives.

The play tells a new original story that features characters from the Shōjo☆Kageki Revue Starlight Re LIVE mobile game, featuring and primarily focused on the Edels and Junior High students of Siegfeld Institute of Music. It also features all three Seiran General Art Institute students, as well as Claudine Saijo from Seisho Music Academy, Fumi Yumeoji from Rinmeikan Girls School, and Shizuha Kocho from Frontier School of Arts.

Siegfeld Institute of Music Junior High. An educational institution established for the purpose of training Rohedelstein, the future candidates for the roles of Edels. Two transfer students from Germany are due to enrol in the Junior High. One is Stella Takachiho, whose heritage is descended from Siegfeld's own prestigious family. The other is Shiro Ogami, Stella's exclusive maid. With the pair's transfer comes a drastic change in the fates of fellow Junior High students Ryoko Kobato, Minku Umibe, and Kuina Moriyasu. Liu Mei Fan works hard to meet the expectations of Akira Yukishiro and Michiru Otori, who are searching for a stage girl to carry Siegfeld on their backs. The ones who must entrust it, and the ones who must be entrusted with it—the symbol of the noble king, "Regalia", will end up...

At Seisho Music Academy's Actor Training Department, which Hikari Kagura has left, the days that Karen, Maya, Junna, Mahiru, Nana, Claudine, Futaba, and Kaoruko will spend together will soon come to an end. With graduation day just around the corner, the career paths that the nine have chosen for after graduation are varied as well. Difficult exams, advanced assignments, new environments, and the chance to show off their own skills... Everyone spends every day with as much anxiety as hope. Who is their true rival? What is it that they truly must fight against?? What awaits them in the Twilight Theater?! The climax is right up ahead. The curtain rises on the best Revue in history!

Seisho Music Academy, Siegfeld Institute of Music, and Seiran General Art Institute are to put on a play as part of an exchange program between the three schools. With Yachiyo supervising Siegfeld, she and the five middle schoolers meet with Claudine, Futaba, and Suzu. The play they will be performing is Seisho's popular program "The Wartime of Farewells". As it had been previously revived with Kaoruko and Maya in the lead roles, Claudine and Futaba participate with an extraordinary resolve; meanwhile, Suzu gains a keen interest in Siegfeld's newborn raw gems. Following Regalia, each of them has taken a step forward as a Stage Girl, but Shiro alone remains without a reason to stand on stage. Shiro has been a servant of the Siegfeld family since childhood, and has lived her life solely for Stella's sake, giving everything up for her. However, her reason of being is shaken up once a camaraderie between Stella and Ryoko starts to develop after their revue.