The Milky Way Galaxy is a spiral galaxy where most events of the Leijiverse takes place. It contains several star systems including the Sol System that contains Earth. Its closest neighbor in galaxies is the Andromeda Galaxy.
As the Milky Way is a spiral galaxy, it features a supermassive black hole in the center that features arms of stars, nebulae, and celestial objects like planets. It is home to many civilizations including Earth, La Metal, and the Mazon. Because of how vast the galaxy is, pathways are often connected through the Galaxy Express Co., Ltd..