In a world of science vs. magic, Adonis has sworn revenge on the human race for taking away his beloved mentor. What lies at the end of his destructive path?

Humanity long lived in harmony with witches, but an advanced scientific revolution has made the powers of a witch unnecessary. Succumbing to resentment and fear, the greatest nation in the world begins a brutal witch hunt and eliminates all witches from the land. After being forced to watch his beloved teacher die, Adonis, a witch's apprentice, swears revenge on the empire that took everything away from him.—Seven Seas Entertainment

Witches once blessed the human race with wisdom and peace. But the Redia Empire's "Gear Expansion" brought about a culture of science that far surpassed magic, and witches were viewed as enemies impeding the progress of civilization. Thus began the witch hunts. One human named Adonis, who was raised by a witch named Chloe, swears revenge against the human race that took his beloved mentor from him. What salvation can be found at the end of a bloodbath fueled by utter despair?—Crunchyroll

For ages, humanity flourished through the power of magic, a gift from witches to aid mankind. But times have changed, the Gear Expansion Revolution had made the Redia Empire a scientific civilization that overrides magic. In order to liberate humanity from the blight of magic, the Redia Empire began a ruthless hunt to exterminate all witches. Adonis was the apprentice to a witch, Chloe who he dearly loved. When she perishes at the hands of the empire, Adonis vows revenge. With this furious wizard's power, blood will flow. Will he find redemption at the end of the road...?—Ani-One Asia

Witches were once respected for the wisdom and magic they gifted to humans. But with the rise of the Gear Expansion era, the new science community deemed them as enemies who hindered the progress of society. Thus began the slaughter of all witches, including one who had mentored a human boy named Adonis. After witnessing her death, Adonis vows to bring bloodshed and terror to the human race.—Crunchyroll