A tale of sadness, sorrow and loss of a Demon Slayer. His mother, a demon, died by his father's hands. What will he do? What choices will he make? Each codex is a story in itself, yet part of a whole. Follow Leon on this journey, and we shall see, where will his heart lead him? --------------------------------------------------------------------------As a note : The demons in this story are not biblical in nature and are just a term for the monsters that appear throughout the story. Any offense to anybody is deeply regretted and totally unintended.