.hack//Unison is a special anime that premiered in fall 2003, produced by Bee Train.

About the production: the story comes from an original script, there is 1 episode of about 24 minutes and its current status is "finished".

Its main genres are adventure, comedy, fantasy and sci-fi, with themes such as Virtual World, Female Protagonist, Male Protagonist and Swordplay.

On AniList, .hack//Unison has an average score of 63%, an average score, and appears on 5,335 users' lists.

The franchise continues in or follows from: .hack//SIGN.

Somewhere in the MMORPG called ‘The World’, a group is gathered at a pub, awaiting the start of an event. There, old friends and acquaintances are reunited, including those who rarely log on. Some are even forging new relationships for the first time. Together, invited by the hacker Helba, the group leaves for the event in the Net Slums where a celebration awaits them all. [Written by MAL Rewrite]

Official synopsis from AniList.