Aikatsu! is ... Arcade games and animations for girls by Bandai and Sunrise. Its stories are of middle school girls aiming for top idol. Began operated and on-aired since 2012. The main heroine changes as the world progresses. Heroines are: Part 1,2 (October 2012) Ichigo Hoshimiya, Part 3 (October 2014) Akari Ozora, Aikatsu Stars! (April 2016) Yume Nijino, Aikatsu Friends! (April 2018) Aine Yuki and Mio Minato. Released in 2012.