Male protagonist Vai Sukai tripped onto a busy road and encounters a bright light screaming out the noise of 'BEEEEEEEEEEEPPPP!!!'

...He closed his eyes, accepting a death he does not want to accept, but little did he know that, that was not the end of his life.

In return for his life, he promised to bounded himself with a mysterious girl who saved him via turning time backwards with unknown consequences, but she also dragged him into a war called; the Sharuke war.

After knowing Vai a bit more, she came to a conclusion that; He would "had been better off dead"...!