Fifteen years have passed since the events of the anime series, and now the story centers on Yume, Sora's younger sister. Sora has not been in contact with her family for years, leaving Yume to join Kaleido Stage in hopes of reuniting with her sister. Familiar faces such as Yuri Killian, May Wong, Marion Benigni, Mia Guillem, and Rosetta Passell return, while new characters are also introduced.