On a bright, sunny, tranquil day, the siblings Nunnally and Lelouch Lamperouge pause to unwind beneath a lone tree. When Nunnally requests a tale, Lelouch, steadfast in his devotion to her, employs his Geass power in an inventive way, shattering limits to deliver the most captivating story possible. Awakening alone beneath the canopy, formerly blind Nunnally discovers she can see again and instantly notices a peculiar rabbit resembling Anya Alstreim, the Knight of Six. The sight of this creature causes Nunnally to tumble into a hole, transporting her to a vivid wonderland. Narrated by Lelouch himself, Code Geass: Hangyaku no Lelouch – Nunnally in Wonderland chronicles the wandering Nunnally as she seeks a path home, encountering an array of bright, familiar figures along the journey in an unforgettable adventure in a gentle, bright sunrise with shimmering stars.