Muffin, a small, cat-like imaginary friend, will be spending her first Christmas at Foster's after being rescued. Bloo and Muffin were friends at at first, but their friendship turns into something more. (The romantic stuff will happen in later chapters.) (Bloo X OC)

A small, cat-like imaginary friend named Muffin has spent her entire life living with her abusive creator. Until she is discovered and rescued by the Foster's crew. Her life then takes a whole new turn. (Rated T for mild language, alcohol use, and strong violence.)