Blue Drop: Tenshi no Bokura

The Arume, a dominating alien race of female humanoids (alien lesbians) has conquered Earth. With total control over the world they have begun live experiments on humans. One day, out of the blue, a girl that Shouta Yanami has never seen before in his life arrived at his house asking to have sex with him. How will this end for Shouta Yanami?

Note: Includes 2 extra chapters.