Sunset Dragons are closely related to sunrise dragons. However, their behaviors differ greatly. Sunset Dragons generally live alone or in small packs. They are more active in the evening, hunting and performing all of their daily tasks as the sun sets.

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.

If there is mischief afoot and the misfit pygmies can be ruled out, it was most likely the work of the sibling duo, Yuuhi and Taiyo Amant. Yuuhi, while not the mastermind, is excellent at catching the little details that Taiyo might have missed. He is also deeply intuitive, and good at knowing which pranks will work best on which dragons, and which to leave be in case a trick really hurts someone's feelings. Because of their differing schedules, Yuuhi usually handles the logistics of any night-time prank. While Taiyo most enjoys playing jokes on large crowds, Yuuhi enjoys a more individual touch, tailoring a prank to one or to a small group of dragons. Having inherited their mother Ryvasser Amant's gentle personality, Yuuhi often finds himself soothing ruffled feathers after a successful prank.