In 2037 Japan, Kaito Nagoya transports us to a terrifying future where Japan is devastated by an unprecedented sequence of natural disasters.The book begins with the eruption of Mount Fuji, an event long feared but dormant for centuries. The ash column reaches 20 km high, obscuring the sky of all of East Asia and part of Europe, From there, colossal waves hit the Japanese coasts - tsunamis more than 30 meters high, surpassing the records of the 2011 tsunami. Large earthquakes open cracks in cities, bringing down national infrastructure. Then, acid rain, electromagnetic collapses and climate breakdown make the country uninhabitable.This is a work of fiction based on facts, which mixes scientific realism with exciting narrative. A portrait of how nature can rewrite the history of humanity in a matter of days.