看護戦隊ナースレンジャー

"Crazy Doctor Army" suddenly appears in 20XX and threatens to conquer the Earth. Dr. Feelgood acknowledges flaws of this organization and leaves it in order to to oppose it. He drafts five girls to his elite squad "Kango Sentai Nurse Ranger". Girls are weak individually, but together they can exert powerful skills, so doctor trains unity of their spirit. But Crazy Doctor Army creates a "KKK" military organization and abducts civilian main character to remodel him for violating and training female enemies.

[From vndbreview]