In a world where a wide variety of magic and demon tribes exist, the girls inhabiting the "West Illumina Continent" began to develop individualities over a long period of time and started their own unique lives. They devised a method to increase their population by forcing others to crossdress, attacking those who come from outside the continent to assimilate them into their own kind. Guest has reached the West Illumina Continent and encounters girls who are attempting to force them into crossdressing.