Saruwatari Gorou and his climbing partner "Lostman" Jack F. Woodbridge once scaled Mt. Everest. Now, after spotting the ISA Space Station, the duo became inspired to embark on a journey into outer space. NASA then introduces "Nexus," a project applied towards deriving a fresh energy source from Helium 3 located on the moon. This story tracks the pursuit of these mountain climbers as they strive towards utilizing groundbreaking energy technology and delineates their progression towards success.