Galaxias (stylized in all caps) is a Japanese manga series written and illustrated by Ao Hatesaka. the series is set in a kingdom where "dragonfolk"—beings capable of growing tails—reside. The narrative follows Jio, a human girl yearning for adventure beyond her rural life. Her encounter with Neraid, a mysterious amnesiac young man, propels them into a journey to uncover Neraid's lost memories and seek out Jio's father, Yuri Holst, a renowned explorer accused of assassinating the Dragon King. The series blends elements of action and fantasy, offering readers a traditional battle fantasy experience.