The concept of gender equality in this world no longer exists since another dimension called Mato appeared. Several decades ago, mysterious gates appeared all over Japan and gave rise to a dimension, it was a mysterious dimension with a location roughly the same as the metropolitan city of Tokyo. Or it can also be called the city of demons, Mato. In Mato, there lived a group of monsters named Yomotsu Shuuki, they were a group of monsters that would attack humans they saw. So what does this have to do with gender equality which no longer exists? The answer is that the level of power between men and women is very unequal. In Mato, there is a peach that will give strength to those who eat it. But only women get strength, while for men no matter how much they eat the fruit they will not get strength. Therefore, the superiority of men over women collapsed in an instant. To oversee the gates, an organization was formed called the Anti-Demon Corps. A special combat unit consisting entirely of women who have the power of a peach. Men are not accepted because they have no power.