>>41388776You see when Vesper signed up to be a Holostar his body was so repulsed by the idea it reversed his puberty. Vesper's balls ascended and gave Vesper his childhood squeaker voice back.
Still, Cover was kind and hired Vesper, but to prevent Vesper from becoming a woman they captured that energy. That energy would later be refined into what we know now as Flayon X Machina.