In the latter half of the 20th century, burgeoning population and the rapid development of technology have affected the Earth's environment in various ways. How unfortunate it is that destructive actions should have been set in motion!

Humans, who once gave birth to a flourishing civilization, are heading for collapse. Earth is exposed to serious damage through the self-destructive acts of mankind, which is itself a part of the earth. The danger inherent in their current relationship is approaching criticality, as if the two sides were waiting for the terrifying sweep of some fatal blade.