Based on the Square Enix´s game app of the same name.
Square Enix has opened a new website wher eit announces that an anime adaptation of it´s Game App Schoolgirl Strikers is in the works and it will come in the Winter 2017 Season.
Hiroshi Nishikiori (A certain Magical Index) is directing the anime at J.C. Staff; Takao Yoshioka (Highschool DxD) is supervising the scripts.
Anime News Network describes the story as follows:
“The game is set in Goryōkan Academy, a new private senior/junior high school for girls with a vast downtown campus. This highly popular school has “another face” — a secret hidden side. It organizes and trains the special unit Fifth Force to protect the world from invisble supernatural entities known as “Oburi” that are devouring the world. A team of five trained with powers against the Oburi is to be chosen from the student body to perform missions. A new team leader has been appointed to assenble the five students.”
Via: Anime News Network