Sexual Conflict! v1.1 by 7 Roads 1 Taste - Adult Sex Game

This is a battle for the fate of "men" against the irresistible temptation of "women" —
More than a decade ago, a mysterious power possessed only by women, [Mana], was discovered. Because of it, the power balance between men and women in society collapsed, and their relationship transformed entirely.
With the immense offensive power of magic and their enchanting allure that beguiles men, women began to treat men like servants. Men came to call these women "witches" and began to harbor hatred toward them. Soon, this conflict escalated into a war between the sexes.
Now, the men’s nation of "Barbato" is on the verge of destruction. Ren (the protagonist, name changeable), a soldier of Barbato, believed he could only await his ruin - when suddenly, a resistance member from the women’s nation of "Fata" appears before him.
She claims that to restore this distorted society to its original state, Ren’s [Ririki] is indispensable… but……