Yoko Arisaka is a fictional character from the anime and manga series titled "Kamen Rider." She is known for her strong personality and determination, often playing a significant role in the storyline. Yoko is depicted as a skilled fighter, contributing to the battles against various antagonists throughout the series. In the context of "Kamen Rider," Yoko Arisaka often collaborates with other characters, including the titular Kamen Rider heroes. Her character adds depth to the narrative, showcasing themes of friendship and bravery as she faces challenges alongside her allies.