“I’ve got a unique prototype for you tonight,” Harry says, ushering Severus into the bedroom the next week. “Might eventually offer a version of it for sale but… well. This one is special, just for us. You’ll see.” (A PWP in which a post-war Harry invents delightfully depraved sex toys, tests them on Severus, and Severus loves every minute of it. Now a series of one-shots!)