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Kurasaki Fūko (倉崎 楓子 , Kurasaki Fūko?) is the Burst Linker who teaches Silver Crow how to use the «Incarnate System». She was a former member of the old Nega Nebulus, but after reuniting with Kuroyukihime, she rejoined the Legion.


Fūko is shown to be very polite to others even to ones that she has just met. She is willing to help other people even if she gains nothing in return. Her eyes always depict a hidden sadness, as if always subconsciously regretting her separation from Kuroyukihime, Black Lotus. However, she is also described as rather sadistic and threatens to tie people onto high places with a smile.[1] Another display of this is how she throws Ardor Maiden in a field of enemies in territory battles repeatedly to the point of being described as Sky Raker's personal equipment by Kuroyukihime.


Fūko Kurasaki revealed to Haru that she and Kuroyukihime were close friends, but eventually grew apart. She regrets how she and Kuroyukihime used to be so close, but her obsession to fly caused her to lose what was important to her and eventually led to her leaving Kuroyukihime. She is also the parent of Ash Roller.


Fūko is a gorgeous young girl. She has long, flowy, light brown hair and a pair of luminous light blue eyes. She also has two artificial legs. She has an appearance that rivals that of Kuroyukihime.

Plot Outline[]

Dusk Taker Arc[]

Main article: Dusk Robber Arc

Fūko first meets Silver Crow after he was brought by Ash Roller as her Duel Avatar, «Sky Raker». She says it is a pleasure to meet him and greets Ash Roller as well, who responds with a pleasant demeanor towards her. Crow then asks her if she can help him get his wings back to which she replied that she could not. She states that once a duel avatar loses a piece of themselves, it is for a reason and that alone cannot make that reason go away. She does, however, tell Crow that he can still fly.

She goes on telling him how he is the first duel avatar to fly and wonders what kind of mental scars and trauma he had to face to receive this ability. Sky Raker starts explaining about willpower and uses her wheelchair as an example of it. It is further detailed, and eventually, she tells him the name of this power as the «Incarnate System». Sky Raker decides to show Silver Crow that she had her legs cut off after finding someone to increase her desire to fly. However, she states that even doing this still did not allow her to fly like she had wanted to. After hearing everything she had to say, Silver Crow asked her if she could teach him how to use the «Incarnate System» to which she accepted.

Sky Raker says that is all for today and invites Crow into her house. She provides him a warm meal. At first, Crow was unsure he could eat, but then discovered he had a retractable mouth guard. Afterward, they decided to sleep for the night. However, Crow asked if she belongs to the Green Legion like Ash Roller. Sky Raker states that there is only one legion she truly owes allegiance to. She explains to him of how in her early years as a Burst Linker, she desperately desired to fly into the sky. Having spent several level-up bonus points trying to obtain the ability to fly, she eventually asks Black Lotus, her only friend, to cut off her avatar's legs to reduce her avatar's weight and increase her will. However, now she knows she can never truly reach for the sky.

The next day, Raker begins Crow's incarnation training by throwing him off of her abroad, asking him to try and climb back up. Every day, Raker throws down a bundle of food and a piece of advice for Crow to take. By day seven, Silver Crow had finally managed to harness incarnation and made it to the top. Raker then asked to meet him in the real world.

Fuko meets Haruyuki Arita and gives him her Enhanced Armament, the Gale Thruster. She tells Haru that he is different from most Burst Linkers, who abuse their acceleration for selfish purposes. Haru promises to return the Gale Thruster to her once he is finished with Seiji Noumi/Dusk Taker. He also adds that Black Lotus may want to reconcile with her one day.

Flight Towards the Blue Sky Arc[]

Main article: Flight Towards the Blue Sky Arc

A few days later, Haru arranged a meeting with Fuuko to fulfill his promise. As she turned to leave, Kuroyukihime calls out to Fuuko, causing her to turn back. She then called her "Sachan, " and they both embraced each other.

Floating Bridge in Starlight[]

Main article: Floating Bridge in Starlight Sky Raker, together with Nega Nebulas participated in the Hermes Cord Race, a special commemorative event for the new area. Haru convinced Raker to join the race due to his suspicion regarding Gale Thruster. All is going well until Black Vise and Rust Jigsaw from Acceleration Research Society revealed themselves during the midway point of the race. Black Vise took his leave. Rust Jigsaw used his Incarnate Attack, Rust Order to disrupt the race. In response, Sky Raker used her own Incarnate Skill, Wind Veil to lessen its effects. Silver Crow in a fit of rage revived the fragment of Chrome Disaster and gave chase to Rust Jigsaw. Sky Raker and Lime Bell went after him. By the time they reached him, he was almost completely consumed by the armor. As a last ditch effort, Lime Bell used her Citron Call to forcefully unequip the armor. Silver Crow was cured for now. With their vehicles wrecked, the representatives from Prominence and Great Wall team up with Nega Nebulas to finish the race. Using Blood Leopard's and Ash Roller climbing ability, Silver Crow and Sky Raker soar to the finish line. When Blood's and Ash's gauges were spent, Silver Crow carried Sky Raker princess style. When they almost reached the top, Silver Crow's wings began to stop working in the upper atmosphere. This finally confirms Haruyuki's suspicion. Silver Crow's wings are based on vibrating the air around it to fly. The game replicated this perfectly. Haru told Fuuko that her avatar was not made for the sky, but rather it was made for space. Essentially, Sky Raker was a space oriented Burst Linker. Upon hearing this, she kissed him on the cheek and flew to the finish line. Along the way, her legs came as part of her realization of her true wish, to fly to space.


Sky Raker

Sky Raker normally wears a white dress with a deep blue brooch along with equally white sun hat. She is most often seen on an ornate wheelchair, which she claims that is moved via the «Incarnate System». Without the dress and hat, she seems to have feathers near the area where her ears should be. She also looks like a Valkyrie. Under her dress, it is revealed that she has no legs, everything below the knees had been amputated by Black Lotus by her own request in her obsession to reach further to the skies. She later regained her legs in Volume 5 after flying in space.


Before she had her legs cut off, Sky Raker had acquired many titles that indicate she was a powerful Linker. Her primary ability was a power that allowed her to jump extremely high, making her the one "closest to the skies" before Haruyuki gained his wings. When Raker started to play Brain Burst, she could only jump up to 100 meters. Eventually, Sky Raker upgraded her jumping ability to the point where she could jump up to 350 meters, but unlike Haruyuki, she never developed true flight despite her profound understanding of the «Incarnate System» that is because her true aim was not the skies but space itself. She is, in fact, the only space oriented avatar, similar to how Haruyuki is the only sky oriented avatar, meaning she is capable of flying in space.


  • In the light novel, Fuko is illustrated with brown eyes while the anime illustrates her with blue eyes.