Nunnally Lamperouge is a central character in Code Geass: Hangyaku no Lelouch. She is the younger sister of Lelouch Lamperouge, the protagonist of the series. Nunnally is gentle, compassionate, and physically disabled, being unable to walk and blind due to past trauma. Her well-being and happiness become Lelouch's main motivation throughout the story, influencing many of his decisions. Nunnally’s innocence and unwavering kindness play a significant role in shaping the moral undertones of the series, making her a symbol of hope and peace.