Shiro is one of the main protagonists in the anime series 'No Game No Life.' She is an eleven-year-old genius with exceptional intelligence and analytical abilities. Shiro, along with her step-brother Sora, forms the undefeated gaming duo known as 'Blank.' Despite her young age, she excels in logic and strategy games, often outsmarting her opponents with ease. Shiro is characterized by her calm demeanor, lack of social skills, and reliance on Sora for emotional support. Her role is crucial in the series as she and Sora navigate the fantastical world of Disboard, aiming to conquer it through their gaming prowess.