Danger Dolls(少女は異世界で戦った)

DANGER DOLLS follows a quartet of cute idol singers who moonlight as butt-kicking action heroines. When extraterrestrial invaders threaten the safety of the Earth after an earthquake unleashes them from an alternate dimension, the Danger Dolls become humanity's only hope for survival. The team infiltrates the evil cult behind the invasion and must use their swords and their fists to smash the invading army.