Ruka & Mona from AIKATSU☆STARS! are performers connected to the music of the Aikatsu! multimedia franchise. They are part of the vocal group AIKATSU☆STARS!, which was formed to contribute theme songs and insert songs for the television anime series Aikatsu!, beginning with its third season. The group also included fellow member Miki. Their work appears alongside and in collaboration with the earlier franchise singing unit STAR☆ANIS.

The first single credited to AIKATSU☆STARS! featuring Ruka, Mona, and Miki is Du-Du-Wa Do It!! / Good morning my dream, released on October 22, 2014. This single contains the songs Du-Du-Wa Do It!!, Good morning my dream, and Let's Aikatsu!. The latter song is one of the examples associated with the artist. The single was a joint release with STAR☆ANIS, which featured vocalist Waka on the same tracks.

Subsequent singles featuring the trio include Lovely Party Collection / Tutu Ballerina, released on April 29, 2015. That single contains the title tracks Lovely Party Collection and Tutu Ballerina. Another single is Start Dash Sensation / lucky train!, released on October 28, 2015, which includes the songs Start Dash Sensation and lucky train!. All of these singles were released under the Lantis label.

The musical identity of AIKATSU☆STARS! is rooted in bright, energetic pop music that reflects the idol-themed setting of the Aikatsu! anime. Their songs are characterized by beat-driven synth-pop arrangements, with occasional incorporation of other elements such as funk guitar, as heard in the track lucky train!. The lyrics for their songs were consistently provided by writers including Saori Codama and Natsumi Tadano, with composition and arrangement handled by a team of creators such as Hidekazu Tanaka, Kakeru Ishihama, and Kengo Minamida, among others.

The industry significance of Ruka & Mona as part of AIKATSU☆STARS! lies in their role as the featured vocalists for the Aikatsu! anime during its third and fourth seasons. By performing opening and ending theme songs, they became an integral part of the franchise's musical identity following the era dominated by STAR☆ANIS. Their work helped sustain the multimedia franchise's presence, which spanned arcade games, trading cards, anime, and music albums.