Alas, living in the future, I longed to return to that blue planet. I passed by a black hole of a century, thinking that it was no big deal. Then I accidentally traveled through time with everything on the spaceship, and returned to 3,000 years ago, the new country that had just won the Anti-Japanese War, a country that had nothing but manpower and land. I thought - use my small power to add more bricks and foundations.
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.
