Unaired OVA bundled with limited edition eighth volume of the manga. The episode centers around the actions of Inari and Kon.

Leona Ozaki joins Newport City's infamous Tank Police division. With aid of Al and her newly built mini-tank, Bonaparte, she wages war on Buaku and his cohorts, the Puma Sisters. (Source: ANN)

One year has passed after the great battle against the Orochi (gigantic snake). Tenka had been paralyzed from the final battle and he took part of the government's human experiment before the battle. Tenka withdrew himself from society, but his younger brothers, Soramaru and Chuutaro, find out the secret past about their older brother. (Source: Amazon Prime Video)

The characters from previous .hack//G.U. Games and .hack//Roots receive an email from Ovan. He is requesting them to go to Hidden Forbidden Festival where is set up a mysterious summer festival. There they find an AIDA Chim Chim who wishes to peacefully co-exist with the other players of The World. It then transforms into the word Returner, so they assume it to mean that Ovan will return to The World. (Source: ANN)