Leafa is the in-game avatar of Suguha Kirigaya in the virtual world of ALfheim Online. In the real world, Suguha is a young girl who was raised alongside her cousin Kazuto Kirigaya as though they were siblings, a situation that arose after Kazuto’s parents passed away and he came to live with her family. She is a dedicated and highly skilled practitioner of kendo, having taken up the martial art in part to protect Kazuto from their grandfather’s expectations after he quit. Despite her cheerful, outgoing, and optimistic nature, which stands in contrast to her brother’s more reserved demeanor, she can be sensitive, especially when matters involve her family. Initially, Suguha held a negative view of virtual reality games, associating them with the traumatic incident in which Kazuto was trapped inside Sword Art Online. Her primary motivation for entering ALfheim Online was to understand her brother better and connect with him after his return. As Leafa, she belongs to the Sylph race and quickly becomes one of the most formidable players, earning the nickname Speedaholic due to her exceptional flying speed and agility, skills that translate directly from her kendo training. In the story of Sword Art Online: Extra Edition, her role centers on a quest suggested by Kirito that involves encountering whales in the virtual world. A key challenge arises when it is revealed that Suguha cannot swim, leading Asuna and the other female characters to help train her in a real-world swimming pool to prepare for the underwater portion of the quest. This scenario highlights her willingness to face personal limitations with the support of her friends. Her most significant relationship is with Kazuto, whom she admires deeply and secretly harbors complex feelings for, though she learns to accept her place as his family. She also shares a close friendship with her classmate Nagata Shinichi, known in-game as Recon, who introduces her to the game and supports her journey. Over the course of her experiences, Suguha develops from a skeptic of virtual worlds into a confident and skilled player who embraces the connections and growth that these spaces offer. Her notable abilities include years of kendo mastery, which gives her sharp reflexes, strong swordsmanship, and a combat style focused on speed and precision. In ALfheim Online, she excels at aerial combat and uses wind-based abilities tied to her Sylph nature, making her a swift and effective fighter.