Aikatsu! or Aikatsu! Idol Activity (アイカツ! アイドルカツドウ, Aikatsu! Aidoru Katsudō!) is an arcade collectible card game in Bandai's Data Carddass line of machines, which launched in October 2012. The game revolves around using collectible cards featuring various clothes to help aspiring idols pass auditions. Three manga adaptations have been published by Shogakukan, along with four Nintendo 3DS games published by Bandai Namco Games.
An anime adaptation by Sunrise (and later by its subsidiary Bandai Namco Pictures) began airing on TV Tokyo from October 8, 2012. Two films were released in December 2014 and August 2015 respectively. The series was succeeded by Aikatsu Stars! in April 7, 2016.
Ichigo Hoshimiya is an ordinary middle schooler who works at her mother's bento shop. One day, after attending an idol concert (featuring Mizuki Kanzaki) with Kiriya Aoi (her best frend who has a dedicated knowledge for idols), and Raichi Hoshimiya (Ichigo's little brother), Ichigo was left with a huge impression to become an idol. Later, Aoi told Ichigo that she is going to enroll in a school known as Starlight Academy (a female-only school dedicated in training girls to become idols) and suggests that Ichigo should enroll with her. Soon after taking their respective entrance examinations and getting accepted into the academy, Ichigo begins her life as an idol-in-training.
The series itself primarily focuses on Ichigo's journey to become a famous idol. She goes through the desire to become an idol while going through hardships of distrust.
With the rise of new idle school of "Dream Academy", Starlight Academy had been placed in predicament! Large rookie idol with perfect pitch "Seira Otoshiro", and of-course-producer Kī Saegusa, Starlight Academy will start facing a new rival which has appeared one after another, multiplied by the rivalry to take the seat of top idol! The girls driven into Idol Activities with overlap encounter, and interact with a new rival! Ichigo and the others' Idol Activities will continue goes on!
Onto a new generation, featuring Akari Ōzora, a young girl chosen by Ichigo to join Starlight Academy, and her friends, Sumire Hikami and Hinaki Shinjō. They do their best in both the Partner's Cup & the Great Starlight School Festival.
Akari's new unit, Lumina's is formed with Sumire Hikami and Hinaki Shinjo, Luminas. Together on a nationwide tour and meeting with idols from all over Japan. With these meetings, it prepares them for the big event - The Starlight Queen Cup.