The god of light has fallen. The world is ruled by the Demon Lord. Reasonable people are forbidden to develop technology, and peoples have never stepped out of steampunk into the era of electricity and internal combustion engines. But is it so bad to live in a world overrun by demons if you yourself are a Black Guardian? Faced with the threat of death, I decided to take a desperate step - to become an apprentice to the only sorceress who has subjugated all three aspects of magic: Blood, Life and Soul.