Rainbow Bridge

Rainbow Bridge (虹の橋) is a bonus side story, written by Kawahara Reki, that was included in the limited edition version of the Extra Edition volume of the DVD/BD sets for the anime. The story is a sequel to the to the Extra Edition's story.

Part 1
At the end of the «Deep Sea Plunderers» quest the seven member party of Agil, Asuna, Klein, Kirito, Leafa, Lisbeth and Silica, along with Yui and Pina were brought back to Alfheim by a whale. After being dropped off at a beach in Sylph territory, the group pondered about the quest. As there was no way to look up the dialogue lines of NPCs in the game, Yui repeated the conversation between Kraken and Leviathan, and then Leafa explained that the Æsir were a family of gods in Norse mythology, but no one understood what the «Prince» was. While the group talked about the overwhelming power of the gods, Kirito got lost in thought about how Kraken and Leviathan seemed as if they had their own volition, comparing them to an NPC that he had met on the 3rd Floor, Kizmel. Just as Kirito decided to halt his train of thought, Klein remembered that he had ordered pizza, which would arrive in three minutes, while flying to Swilvane for a safe log out would take at least ten minutes. Kirito then offered to watch over his avatar until it disappeared so that he could log out on the spot. He then also offered the same to anyone else in a hurry to log out and everyone aside from Leafa decided to accept the offer. After all of their avatars disappeared, Kirito and Leafa took off towards Swilvane.

Part 2
Fifteen minutes after logging out from ALfheim Online, Kazuto and Suguha were eating udon. While eating, Kazuto looked up information about Norse mythology, but when Suguha checked what he had found, she remarked that he was only reading a bare outline of it. Suguha was about to begin explaining about it in detail, but Kazuto stopped her, thinking that he had no need for such details. As they continued eating, Kazuto got lost in thought about whether the quest that they had completed would have follow up quests. Kazuto's train of thoughts was interrupted by Suguha, who reminded him to go to bed early, as they were planning a major cleanup of the dojo the following morning. However, Kazuto only promissed that he would go to bed in two hours and immediately left the room. In his own room, Kazuto put on his AmuSphere and initiated the command for FullDive.

Error

 * The story claimed that New Aincrad was implemented in ALO back in April 2025, but multiple other materials stated that it was implemented in May 2025.