.hack//Quantum is an animated three episode OVA series for the .hack franchise, produced by Kinema Citrus and presented by Bandai Visual. It was initially scheduled to be released in November 2010, but it was later changed. The first episode was released on January 28, 2011 with the following two episodes to be released in one month intervals. Excluding the all-CGI animation movie .hack//G.U. Trilogy, it is the first animated OVA project not to be produced by Bee Train. It is not related to a planned CGI movie tie-in to the newest game in the .hack series, .hack//Link. Masaki Tachibana of Tokyo Magnitude 8.0 directed the OVA project and .hack// writer Tatsuya Hamazaki scripted. Kinema Citrus animated the series and Kow Otani composed the music. Yuuka Nanri performed the theme song for the series. At Anime Weekend Atlanta 2011, Funimation announced that it had licensed the series and it was released on DVD and Blu-ray on February 14, 2012, making it the first in the franchise not to be licensed by Bandai Entertainment. The UK release was published by MVM Entertainment on July 9, 2012.

Story

In 2022, Sakuya, Tobias and Mary, play the latest version of the world's largest MMORPG: "The World R:X", created by Cyberconnect Corporation. As they take on a quest, they become caught in strange circumstances.

Characters

Episodes

Pre-orders of the theatrical release on Amazon.co.jp and animate come with a bonus Original Drama CD.

Manga

The series is serialized in Comp Ace as ".hack//Quantum+" (pronounced "Quantum Plus"). Illustrated by Nao Mitaka (三鷹ナオ), and will follow the story as written for the anime by Kinema Citrus.