Phantasy Star Online 2 -ON STAGE-: The year is 2027. In modern day Tokyo, people can freely enjoy use of the internet as a result of the widespread availability of the Ethernet across the world. In all aspects, this is considered a modern communication revolution. The revolutionary cloud operating system, known as ESC-A, has spread wildly among Japan's youth along with the internet. The video game software that comes preinstalled on the OS is Phantasy Star Online 2.