Being happy in another world? Impossible, I absolutely want to go back home no matter what.

The protagonist is a 14-year-old Japanese who was born in the year 3181 AD and is just an ordinary junior high school student. One day, the story begins when he wakes up in a different world after being transported there. If he can master the power of nanomachines, he believes he can overcome any challenge and achieve his goal of returning to Earth someday. Note: This story does not condone or support any acts that violate laws or regulations.