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White Cosmos

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White Cosmos

White Cosmos Dummy

(ホワイト・コスモス, Howaito Kosumosu)

  • White King
    Transient Eternity

Character Outline


Gender Female Female

Blood type



White King


Acceleration Research Society


Oscillatory Universe

Character Network


White Cosmos



Voice Actors


Yoshida Mayumi (game)



[[Volume 06]]


Accel World Episode 11


Accel World Stage 02: Peak of Acceleration

Appears in

Light Novel, Anime, Game only


  • Wind Veil
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  • Mystical Reins
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White Cosmos (ホワイト・コスモス, Howaito Kosumosu) is the White King and the leader of the White Legion, Oscillatory Universe. It is later revealed that she is the Parent and real life older sister of Kuroyukihime. She is the main antagonist of the series.


It has been said that she appears to be kind, but in actuality, she is very manipulative in nature. This manipulative personality is seen in an episode where she set up a meeting with the Six Kings of Pure Color to have Red Rider killed by Black Lotus, as well as what she had done to Kuroyukihime at past according to her memory.


She is the first healer of the Accelerated World. At the same time, she is also one of the Originators.

In an attempt to get the Seven Roses[1], a special gun created by Red Rider, White Cosmos manipulated her Child, Black Lotus, to kill him. She fabricated a reason that Red Rider plans to force the maintenance of the Peace Treaty by giving each a gun. This gun would decimate any attacking legion.

After Nega Nebulus disbanded, Kuroyukihime found the Seven Roses in her inventory. She tried to fire it however it would not. She realized this gun was meant as a symbol of peace and friendship. Red Rider created it with the belief that their friendship would continue. Kuroyukihime confronted her sister. She demanded White Cosmos to duel her. However, White Cosmos replied that Kuroyukihime could never beat her. Realizing this, Kuroyukihime took out a boxcutter and wounded White Cosmos. It was a small wound, however White Cosmos made it larger. This resulted in Kuroyukihime being exiled from her family.

White Cosmos also participated in the torture of Saffron Blossom, alongside Black Vise and Argon Array. She also witnessed the birth of Chrome Disaster. Her reasons for joining is currently unknown. In Volume 14, it is confirmed that she is, in fact, the president of the Acceleration Research Society.


Plot OutlineEdit


White CosmosEdit



As a white avatar, she does not have attack ability. However, she is one of the few Burst Linkers that have the power to heal. She can also mask her presence in light. Specifically, she distorts light around her as camouflage. In Volume 7, it was said that she used a skill to resurrect Saffron Blossom immediately and bypass the 1 hour time period where someone dies and penalized to a phantom state in UNF. The skill is later known as «Resurrection of Compassion»


  • White Cosmos is also known as Transient Eternity.



  1. Accel World Light Novel Volume 12

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