Kuroyukihime (黒雪姫, Kuroyukihime; ; Literally meaning "Black Snow Princess"; ) is one of the main characters in the Accel World series. She is currently the leader of the Black Legion, Nega Nebulus. She was formerly known as the Black King (黒王, Kuroō; ; ; ), but she was driven into hiding after killing the former "Red King." Her biggest ambition is to reach level 10 and meet the creator of the Brain Burst game, and to accomplish that goal, she has to defeat five other level 9 users who happen to be "The Six Kings of Pure Color", the leaders of the six most powerful factions in Brain Burst. Kuroyukihime is also Haruyuki's Burst Linker parent.