『外公的蘑菇头』介绍:AmysteriousblacksphereisdiscoveredintheorbitofMars.TheAchillesissenttoinvestigate.Afterthebedraggledsix-personcrewwakefromeightmonthshibernation,theSphereistransmittingasinglewordineveryEarthlanguageeverknown-Deus.