Sweep Tosho is a lively, mischievous horse girl from Umamusume Pretty Derby, based on the real racehorse Sweep Tosho. In the series, she is portrayed as a talented but playful character with a strong personality and a love for being treated like a magical girl or witch. She often adds comic energy to the story while also showing determination and pride in her abilities as a racer. Her role highlights both her eccentric charm and her competitive spirit.