What is the song 1925 by Hatsune Miku about?

The song '1925' by Hatsune Miku is a song about the Great Kanto Earthquake of 1923, which devastated the Kanto Plain and killed an estimated 140,000 people. The song is told from the perspective of a victim, who is describing their experiences during the earthquake and the subsequent aftermath. The lyrics describe the destruction, the confusion and the fear, as well as the resilience of the people of Tokyo in the face of this disaster. The song ends on a note of hope, with the singer expressing their belief that Tokyo will be rebuilt and that the city and its people will emerge from this tragedy stronger than ever.