Pillow Dragons are covered in enormous amounts of fur affectionately referred to as fluff. Despite their deceivingly large size, they can still fly even with such tiny wings because their bodies are remarkably light. Pillow Dragons have a habit of sleeping for up to eighteen hours a day, waking only in short bursts. During their few waking hours, they take the time to hunt for prey. Once a pillow dragon becomes an adult, its fur grows very slowly. Pillow dragon fur is used to make very expensive and valuable cloth known as “dragon cashmere.”

Dragons are highly-intelligent reptilian creatures that—from a human perspective, at least—appear to live forever. Many different varieties of dragon exist, each with their own unique qualities, habitats, and behavior. Adolescence in dragons is usually marked by the growth of a hatchling’s wings, although not all breeds of dragons grow wings and some breeds have other traits that indicate the beginning of maturation. In Galsreim, dragons and humans coexist peacefully.

Momo is more like a giant cat than a dragon. Like her mate, Manfred, she loves to cuddle, and adores attention. She shares an interest in chocolate with her best friend, Sakuya the Sweetling, and will often badger Watari for some when she is awake. This becomes a problem at times, as Watari often has a difficult time hiding her own chocolate from Momo's keen chocolate sense. A trait unique to her is that instead of having tan eyes like most Pillow dragons, Momo has bright green eyes.