This article is about a/an planet in Choushinsei Flashman.

Blue Star is a planet in the Flash System. It is known as the "blue planet wrapped in sand". The planet orbits the farthest right, with Pink Star as its only neighbor.

Bun was raised on this world after being rescued by the Flash, gaining miraculous super-speed as well as the ability to survive 30 days on only a cup of water in the desert landscapes of the world.