"Balalaika" (バラライカ, Bararaika) is the second opening theme song from the Japanese anime Kirarin Revolution.

"Balalaika" is the second opening theme song to Kirarin Revolution and is performed by Koharu Kusumi from Morning Musume, who voices the main character, Kirari Tsukishima.

"Mizuiro Melody", the third ending theme song to Kirarin Revolution, was included as a B-side and performed by Kusumi under her character's name.

The limited edition featured an alternate cover with an exclusive version of Takara Tomy's paper doll Millefeui Card from Kirarin Revolution.

[3] The editors noted that compared to their videos, Kusumi's image, physical features and smile evoked fond memories of "that girl you used to like" in elementary or middle school and exuded a "sparkle.