柞刈 湯葉 (Author)

5,000 km between Tokyo and Osaka! Will my “Airplane” be able to fly against the world’s ever-increasing gravity? Because of the mining of “heavy elements” that govern gravity, the Earth’s expansion has become uncontrollable. The distance between Tokyo and Osaka ultimately topped 5,000 kilometers in 2013. Yukawa Wataru, who was born and raised in the…