Earth's technology mutated due to the invasion of alien civilizations in 3000 AD!
All humans have special energy, a kind of supernatural power. After humans have special energy, they can actually start practicing!
After the protagonist fails to advance, he triggers a failed hidden mission. His body and soul are forcibly stripped away, and his soul is thrown into 211 BC. The soul finds its host body and begins a bizarre training career!
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.