Kyle finds himself transported four years into the past to the beginning of the demon invasion, right as he was about to finish off the final boss. Armed with the memories and skills he gained in that time, he'll endeavor to prevent the same tragedies from occurring.

Luego de aprender enseñanzas heréticas sobre la Tierra y el Sol, un niño prodigio busca las investigaciones ocultas de su maestro mientras evade a la Inquisición.