In Akihabara, Haruyuki and Pard hear the name of a Burst Linker called Rust Jigsaw who doesn't show up on the matching list. Believing he may hold a clue to uncover Dusk Taker's secret, Haruyuki and Pard challenge Rust Jigsaw to a duel.
Ruka and Mana introduce Kuroyukihime to their master, Crimson King, who turns out to be an old acquaintance of Kuroyukihime's. According to Crimson King, a very powerful Enemy is preventing them from hunting down regular Enemy units.
Kuroyukihime is challenged to a Brain Burst match by two girls named Ruka and Mana. Kuroyukihime easily wins the match, but learns that the girls were actually testing her to see if she was powerful enough to help solve their problem.
Ash Roller takes Silver Crow to meet his master Sky Raker, previously known as the Burst Linker who came closest to flying in Accel World. Sky Raker explains the "Incarnate System," which allows Burst Linkers access to their hidden powers.
During their hunt for Chrome Disaster, the Nega Nebulous is ambushed by the Yellow Legion led by Yellow Radio, a.k.a. the Yellow King. Yellow Radio takes advantage of the non-aggression pact shared between the other kings.
Arita Haruyuki. A young boy whose chubby appearance and shy disposition makes him a constant target for school bullying. Ashamed of his miserable life, Haruyuki can only cope by indulging in virtual games.