"Otome Sensō" (Z女戦争, "Girl's War") is the 8th single by the Japanese female idol group Momoiro Clover Z, released in Japan on June 27, 2012.

When the title and the cover art were made public, she hinted at what the song was like by describing its outlook of the world as "When this battle is over, we are all going to a chorus contest.

On the edition's back cover, the girls form the ice cream's name, the character "爽" (Sō)[11] The "Otome Sensō" music video switches between Momoiro Clover in school uniforms praying that their bittersweet youth won't be destroyed and Momoiro Clover in combat armor fighting affectionately.

[12] The combat costumes were drafted by Sushio, an animator who worked on such films as Neon Genesis Evangelion, Gurren Lagann, theatrical versions of One Piece.

In the song, she counts roughly six or seven distinct parts, one of which, in her words, "is a melancholic ennui melody that will definitely put a smile on the face of a Sōtaisei Riron fan."

Overall, she defines the title track as a "mix of high-calorie youth anthems", and the B-side "Push" as a "fast-paced inspiring fight song".