* An direct sequel to Aikatsu Stars! and not just serve as continuation to the second series, it also serve as an continuation to Aikatsu! 10th Story and Aikatsu Friends!.
* First series to feature the idols from Love Live! Series and Idolmaster Series.
* First Series whose motif is spirits, bonds and friendship.
* First Series featured Afterlife.
* First Series where an main protagonist (Aria Futaba) was from rival idol academy move to talent agency.
* The characters from the first series (Akari Ozora, Ichigo Hoshimiya, Risa Shirakaba, Sumire Hikami, Hinaki Shinjo, Aoi Kiriya, Ran Shibuki, Seira Otoshiro, Noeru Otoshiro, Maria Himesato, Mizuki Kanzaki and Mikuru Natsuki) are now deceased and still remain an main characters as Spirit Idols.
* First Series to feature the same characters (Kaede Ichinose, Yurika Todou, Otome Arisugawa) are from different reality.
