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Tsukasa is trapped in an MMORPG called The World. With his conscious inaccessible, Tsukasa attempts to find his purpose for being in the game.

Tsukasa’s inability to log out of the world worries Mimiru. The Crimson Knights, on the other hand, see Tsukasa as a threat.

BT and Sora suspect that Tsukasa is somehow connected to a very important artifact, the Key of the Twilight.

Tsukasa's rampaging Guardian monster wreaks havoc in The World, and an edict from Subaru makes him a wanted man.

Tsukasa finally tames his Guardian monster, but unbeknownst to him, someone is plotting his capture.

Subaru carefully observes Tsukasa, gradually getting to know him. Sora mounts a rescue mission.

Mimiru encounters a novice player and offers her guidance in The World. This new relationship helps Mimiru uncover her own motivation for playing.

Mimiru extends Tsukasa an invitation to meet; BT and Crim share an interesting encounter.

An elite hacker proves instrumental in the quest for the Key of the Twilight, and Tsukasa gets stuck with a sick Grunty.

Bear's shortcomings as a father may be the root of his concern for Tsukasa. Clues arise as the search for the Key of the Twilight continues.

Mimiru, Bear, and Tsukasa join forces before embarking on a non-fighting quest.

Tsukasa stumbles upon Aura, an advanced AI, that is being held captive.

A way to open the Twilight Eye is discovered, and the group decides to follow the new path unfolding before them.

After the Eye is opened, a secret area appears, complicating the group's search for the key.

Revisit all the major moments from this groundbreaking anime in a series of vivid flashbacks that may shed new light on past events!

Tsukasa logs back into The World, only to discover that he cannot die. Shocked, he turns to Subaru for answers.

Crim refuses to meet BT outside of the game. Later, Tsukasa mounts a rescue attempt – and secrets are revealed.

Silver Knight disrupts any and all potential rendezvous between Subaru and Tsukasa. Subaru ponders the future of the Crimson Knights.

Subaru drifts aimlessly through The World, reflecting on her past experiences. Her connection with Tsukasa grows even stronger after an unexpected attack.

Aura goes missing, Morganna attacks Tsukasa, and the search for the Key of the Twilight continues.

Tsukasa lingers in a catatonic state, and some immensely powerful monsters make their presence felt in The World.

Bear, Mimiru, and Subaru are attacked by yet another seemingly-unstoppable monster, but Balmung comes to the rescue.

Tsukasa is too frightened to pass through Helba's gate, and Crim explains Subaru's true life condition.

Upon arriving in Helba's realm – Net Slum – the group is forced to defend Subaru from an attack by Morganna.

As the battle intensifies, the group seeks shelter in the Cathedral. Morganna summons Guardians to do her bidding.

Drawing strength from Subaru, Tsukasa summons the courage to awaken Aura. Outside of The World, players share a true life encounter.