XY Cyber is the story of the fall of humanity. whether from weapons of war And biological pathogens cause many lives to be extinguished. The rest of the people had to adjust to this deteriorating environment. Some people use technology to transform into half-human, half-robot. Some people get vaccines against viruses until their genes change. However, these are just some of the options that everyone can't escape from in the world of XY Cyber. What would you do? what will you choose If that day really comes.