Kei Arisu is a prominent character from the anime series Girls und Panzer. She serves as the commander of the Blue Division, known for her strategic brilliance and calm demeanor. Her leadership style is both inspiring and pragmatic, often focusing on the strengths of her team to outmaneuver opponents in tank battles. Kei is admired by her peers for her tactical acumen and ability to remain composed under pressure, making her a crucial figure in the competition. Her character adds depth to the series, emphasizing teamwork and strategic thinking.