Soukou Seiki Ysphere: Ingyaku no Sennou Kaizou

When an anti-human group threatens global security, it's up to two sultry heroines who leverage the power of camaraderie, trust, and serenity over their foes. Their secret weapon? Forcing opponents into constant climaxes, sapping their strength until they're powerless to resist. Not the most promising strategy, but effective nonetheless...