A highly requested spin off focusing on Karl/Sapnap/Quackitys relationship in the story Heart Strings -- A long distance polyamorous relationship of Alex who was living in Mexico, Nick who was living in Florida and Karl who was living in North Carolina. Three best friends who soon fell hard for each other. One of them is chronically ill and keeping it from the others, it's easy to hide sickness over the internet but what about when they meet.