童貞な女子達とボク～もし仮に万が一、ボクがエッチに興味津々な童貞っぽい女子ばかりいる世界に行ったとしたら～

All of a sudden, Yukito is transposed in a distorted reality where the (sexual) outlooks of men and women are reversed, men are shy and reserved and usually wait for the women to make the first move and women are outspoken, sexually aggressive and indiscriminate. Later, he's told by a demon catgirl that in order to restore the world back to normal he needs to impregnate someone, but there is a catch...