As soon as we crossed over, we encountered an invasion of alien civilization, and tens of thousands of warships sailed towards the earth.
In order to survive, he joined the Earth Self-Defense Force. After 40 years, he finally climbed to the position of commander. After another 20 years of war, he defeated the alien civilization.
But he was hit in the heart by a beam of light and died. After his death, he returned to 60 years ago and unlocked the system. Is this a conspiracy or destiny?
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.
