Kuroyukihime is a fictional character from the light novel series Accel World, created by Rei Hiroe. She is known for her striking appearance, featuring long black hair and a distinctive black dress. Kuroyukihime is a high-ranking player in the virtual reality game called Brain Burst, where she plays a crucial role in the story as a mentor to the protagonist, Haruyuki Arita. In the series, Kuroyukihime possesses the ability to manipulate time and is often seen as a mysterious and powerful figure. Her character embodies themes of strength, vulnerability, and the challenges of navigating both the virtual and real worlds. Kuroyukihime's journey is central to the development of the plot and the growth of other characters.