在银河双星系中，星光璀璨，宇宙无垠，诗意盎然。紫罗兰之誓

　　One day he receives an email that looks like spam: there is apparently trouble in a neighbouring galaxy that will soon threaten his own. His galactic twin, Galaction, asks him for help in the struggle against evil. Thus begins a boldly colourful adventure in which good and evil, utopia and dystopia, narrative and post-narrative compete to entertain the audience.