Punk-Borg is a huge steam planet, where steam is used to the maximum extent. But with the rapid development of industry, the entire planet is seriously polluted. Now, on Punk-Borg, where class antagonism is serious, a storm is brewing under the seemingly calm surface

Punk-Borg's long-term over-mining of minerals and abuse of steam industrial products have caused great damage to the ecological environment. The natural vegetation in various regions has been severely damaged due to pollution, and a large number of biological groups have become extinct. Many organisms have mutated due to pollution, and even some new species have been derived.

Sunset City is the wealthy area of Punk-Borg and the center of the entire continent, separated from all other areas by the sea. S Building is located in the center of Sunset City. It is the famous Golden Grotto, which contains many entertainment venues for sensual dogs and horses.

The tallest building on an island near Sunset City, a resort in the wealthy area. The entire planet is seriously polluted. The wealthy people spent huge sums of money to form a powerful exploration team to find a new livable planet. This is a base closely connected with the exploration team.

East Industrial Zone is the industrial concentration area of Punk-Borg, with factories run by wealthy people densely distributed. Here stands a giant exhaust chimney, which the rich jokingly call “cigar”, emitting billowing smoke every day.

The 42nd Street area is a poor area of Punk-Borg. The end of the block is filled with garbage, forming a high garbage mountain. There are domestic waste and industrial waste. Although the smell is unpleasant, there are many scavengers looking for survival supplies here.