Saga of Tanya the Evil

In an alternate early 20th century world gripped by devastating war, a ruthless Japanese salaryman is reincarnated as Tanya Degurechaff—a young girl possessing a brilliant tactical mind and formidable magical powers. As Tanya rapidly rises through the military ranks of an empire at war, she faces relentless battles on the frontlines and challenging orders from a mysterious, capricious divine entity known only as Being X. Her journey exposes the brutal realities of war, the cost of ambition, and the struggle against fate in a merciless world.