Natalie is rude, so her father seeks Bill's help in punishing her. And he does, with spankings and forced oral, vaginal and anal sex. And that is just a harbinger of things to come.
What would happen if you found you couldn't die? How would you handle being treated like a lab rat? No longer considered human, abused physically, mentally every moment. How long would your mind last?
Furry Club
Hulking ugly man with a huge cock finds a way to use his natural talents, he joins Furry Club, as place he can become The Bear and fuck anyone he wants.
An experienced, sexy woman Army Sergeant takes a newly created Vat-boy sex slave into her 'tender' care and seeks to make him a soldier in the war for survival that the human race is a part of. She bonds with her charge and they bond, sexually, with others they meet.
Being an experienced verteran, her satirical view of things is firmly entrenched and shown for the reader's amusement. Add to that his inexperience and you have a bubbling, sarcastic brew.