Akira once again enters the online game- The World in order to save her younger brother, who has lapsed into a coma. With the virus infection now spreading to protected areas, she joins forces with Kite to unravel the mystery of the Epitaph of the Twilight and the Cursed Wave. But the two of them couldn’t battle it out alone! Should they make a deal with Balmung? And should Akira reveal the secret of her brother’s condition?

Albireo
A debugger and the main character. He is also Watarai and the Captain.

Balmung
Balmung a legendary player that is known all over the World. The wings were part of a mod he obtained during .hack//AI BUSTER. He was one of two players that destroyed the One Sin, during the "One Sin avent".

Lycoris
She is deaf, blind, and mute.

Orca
Orca: Like Balmung, Orca is a lengendary player. In the video game series, he is Kite's classmate that convinces him to play, "The World".

Writer Tatsuya Hamazaki is the writer of several Gundam manga, as well as the author of several One Piece novelizations.