The single debuted at number 1 on the Oricon Daily Chart and 3 on the Oricon Weekly Chart, selling approximately 67,596 copies in the first week. It became the first Momoiro Clover Z's single to be certified Gold by the Recording Industry Association of Japan for shipments of 100,000 copies.
- Otome Senso (Z女戦争, "War of girls")
- PUSH (PUSH, push)
- Mite Mite Kochichi (みてみて☆こっちっち, look look over here)
- Otome Senso (instrumental) (Z女戦争 (Off vocal ver) )
- PUSH (instrumental) (PUSH (off vocal ver) )
- Mite Mite Kochichi (instrumental) (みてみて☆こっちっち (off vocal ver) )
Limited Edition CD
- Otome Sensou
- Otome Sensou (Off vocal)
- PUSH (Off vocal)
Limited A DVD
- Otome Sensou PV
Limited B DVD
- PUSH PV
- In the promotional materials, each of the members have different designs in their leggings. (See the music video)
- The armor is an homage to MS-06 Zaku II, a mobile suit in the Mobile Suit Gundam TV anime.
- It is rumored that the first lines of the song, "Sanji no houmenn ni, Tekki hakken, and DESTROY… (Translated to "in the 3 o clock direction, a hostile plane found, and shall destroy")" shows them against AKB48. In the map of the Yamanote line, the station farthest east (3 o clock) is Akihabara, what AKB stands for.
- In the music video, Kanako Momota and Ayaka Sasaki's skirts are covered with white veil-like skirts, and the rest doesn't.