"I will never forgive you. I will kill you. I will continue to kill you until all your Burst Points are gone and you vanish from the accelerated world."
Having turned into Chrome Disaster once more, Haruyuki slaughters with the force of a vengeful god the avatars who made Ash Roller suffer. And then he fuses completely with the Armor of Catastrophe, down to his deepest depths. Silver Crow soars above the accelerated world, seeking out enemies to destroy. For his next target, he turns the spearhead of his hatred toward the creators of the ISS kit, the Acceleration Research Society.
A...

Since meeting Kuroyukihime, Haruyuki has managed to grow up a bit. But suddenly this mature Haruyuki is confronted by Tomoko, an elementary school girl he's never met before--who calls him "big brother"? When Kuroyukihime sees the two of them flirting, the look she gives Haruyuki is like a cold knife stabbing him in the gut Meanwhile, in the Accelerated World, something very mysterious is taking place...
A cursed piece of Enhanced Armament called the Armor of Catastrophe is making the rounds, polluting the minds of the duel avatars that don it and causing those avatars to attack at...

"That's game over, Arita--I mean, Silver Crow."His life completely transformed since meeting Kuroyukihime, the most beautiful girl in school, Haruyuki has grown up into a magnificent knight, fat and bullied though he might be.
As the season turns to spring, a strange new student appears before Haruyuki and his friends, now in eighth grade. This mysterious seventh grader has mastered the art of using Brain Burst in everyday life, despite being curiously absent from the Duel matching list.
With Kuroyukihime away on a field trip for the ninth grade class, this new member of the student...

Prepare for a full dive
Seiji Nomi is a mysterious new student whose skillful use of Brain Burst abilities in the real world has boosted him to astonishing heights of achievement (not to mention astonishing heights of jerkitude). When Haruyuki's wings are stolen by Seiji's cunning and ability, Haruyuki suffers a crushing defeat. Stripped of his greatest ability, will Haruyuki ever be able to rise again...?

Prepare for a full dive
Seiji Nomi's scheming from his position atop the school social hierarchy has ceased. Sky Raker has returned to the Accelerated World, and upon joining Nega Nebulus, she and Kuroyukihime have become a force to be reckoned with. But one day, Haruyuki hears the news that the social camera network has been expanded to include the Hermes' Cord space elevator, and he realizes what the next stage of the game will be: space. Upon arriving, he is aided by a mysterious operator in taking on the biggest mission in the history of Brain Burst Plus, Kuroyukihime and Haruyuki...

The silver wings responsible for the rise of Nega Nebulus, the legion led by Kuroyukihime, are weakening During the battle with the mysterious Acceleration Research Society, Haruyuki sustained corrosion damage from the revived Chrome Disaster, and he has still been unable to escape its effects. The Seven Kings of Pure Color take this very seriously, and soon they hand down their judgement: purification. Now Haruyuki is faced with a choice--undergo the grueling purification process, or have a bounty on his head and risk being cast out of the Accelerated World altogether

Haruyuki's desperate battle with his friend Takumu has taken him to the brink, and he finally activates the Destiny, a purified version of the notorious Armor of Catastrophe. It's light versus dark as their fierce fight continues, and the stakes couldn't be higher. If Haruyuki can't rid his friend of the sinister ISS kit that's infected him, Takumu could be lost to the darkness forever. And he just might take Haruyuki with him...