Rio Nakata

.hack//G.U. Trilogy

Join Haseo on his quest to track down Tri-Edge, the devious PK responsible for leaving one of his closest friends in a coma. Along the way he meets Atolli, a gentle girl who takes an interest in him despite his chilly demeanor. Together, Haseo and Atolli will attempt to survive long enough to decipher the riddle of the entities known as AIDAs—and save their fellow gamers from permanent sleep.

.hack//G.U. Returner

The characters receive an email from Ovan requesting them to go to Δ Hidden Forbidden Festival where a mysterious summer festival is set up. There they encounter an AIDA Chim Chim who wishes to peacefully co-exist with the players of The World. It then transforms into the word "Returner", which Haseo assumes it to mean that Ovan will return to The World.