Youjo Senki Novel

Tanya Degurechaff is a young girl stationed on the front lines of war, commanding armies despite her small stature, blonde hair, blue eyes, and porcelain skin. However, her innocent appearance belies a darker truth: she is actually the reincarnation of one of Japan's most successful salarymen. After offending a mysterious being known as "God," she was reborn into this child's body as punishment. Driven by an unwavering commitment to efficiency and personal advancement, Tanya brings her ruthless corporate mentality to the imperial army's magical forces. Her single-minded focus on career progression and pragmatism transforms her into an exceptionally formidable and dangerous sorcerer within the military ranks, making her one of the most powerful operatives in the empire's arsenal despite her diminutive form.