Sword Art Online II: Calibur Limited Box Set (Blu-ray) (Japanese Animation)

Three months after the death game, Kazuto discovers that Asuna is being held captive in “Alfheim Online” (ALO), a spiritual successor to SAO, where the players assume the roles of fairies. Kazuto enters the game and allies himself with his sister Suguha “Leafa” Kirigaya to rescue Asuna from captivity.