Danger Dolls (2014)

Danger Dolls 2014 / 少女は異世界で戦った 2014 / Shôjo wa isekai de tatakatta , Shojo wa Isekai de Tatakatta

After discovering a portal that allows travel between parallel universes, four highly skilled female assassins from one universe must impersonate a female pop idol group in an other universe in order to stop the evil cult that created the portal by defeating its maniacal leader determined to destroy both worlds.