DescriptionThe blue metro is a part of the metro line that find out a terrible situation from toxic dust merged with gas (called PT-1) that take a massive area in the new year 2029 right away so this's a story made up. In the year 2029, commuters who were stuck underground considered themselves lucky. While there’s a toxic smog reaction above ground, these commuters got a shot at surviving. Together, they lived underground for 3 months with the help from metro officers.