Youjo Senki

Saga of Tanya the Evil follows Tanya Degurechaff, a young soldier whose predatory ruthlessness and uncanny tactical talent earn her the nickname "the Devil of the Rhine." Beneath her innocent appearance is the soul of a man who challenged Being X, the self-proclaimed god, and was reborn as a girl in a world where magic and modern warfare collide. Determined to defy the divine force that upended her life, Tanya throws herself into military service and aims to secure a stable career, hoping to claw back the peaceful future she believes she deserves. As the Empire is drawn deeper into a brutal world war, Tanya's efficiency and battlefield instincts keep pushing her upward through the ranks, even as her success helps transform the Empire into one of mankind's most formidable powers. Caught between ambition, survival, and a relentless cosmic opponent, she must navigate politics, command, and combat while Being X continues to turn every victory into another test of will.