Extas in the Slave City

In 20XX, a meteorite that hit Earth emitted a special radiation that caused some individuals to develop "abilities." However, these powers were not equal; they absorbed the vital energy (ex) from men and granted women godlike power...! In a world where men are treated as slaves, forced into hard labor while women continuously drain their vital energy, Itsuki rises up to liberate all men!

(Source: Kadokawa, translated)