The stage is Japan in the near future. Due to conflicts between generations, various problems became serious, and society was steadily collapsing. Meanwhile, it was announced that "SEDAI WARS", which will decide the president to rule Japan on behalf of the then Prime Minister, will be held!! Representatives of each generation called "SEDAI" battle in VR space. Baby Boomers, Bubble, Lost, Lazy and Millennials. Which generation will win!?