An alien warrior made me an offer I can't refuse. In exchange, he can do what wants with me for one week. I want a child, but that's impossible now that Earth men are sterile. Then a ping from a distant planet reaches us. Aliens are real, and they're interested in getting to know Earth women better. The Xilans fall into an insatiable urge once every three years, called the Slaking, and there aren't enough females to give them what they...