Título en japonés: .hack//QuantumDuración: 28-1-2011 a 7-4-2011
Sinopsis: Tobias, Mary, and Sakuya challenge the impregnable "The One Sin", but they lose their way in the maze and unintentionally trap other guild members. A mysterious cat is watching their blunder. Is it another player character or NPC?
Estudios: Kinema Citrus,
Productores: Bandai Visual, flying DOG, Showgate, BIGLOBE, Aquatone,
Licenciantes: Funimation,
Endings:
"雫 -Shizuku-" by Yuuka Nanri
