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Rainbow Bridge (虹の橋, Niji no Hashi?) is a Sword Art Online anime Blu-Ray/DVD bonus side story, written by Kawahara Reki. It was initially released as part of the limited edition version of the Extra Edition Blu-Ray/DVD on April 23, 2014. For the Sword Art Online light novel series' 10th anniversary, Rainbow Bridge was re-released as part of a side story collection titled Kiss and Fly (Volume 22) on October 10, 2019. It was also adapted into manga format by Bekkou Rico. The manga adaptation of Rainbow Bridge was released in parts. Part 1 was released on March 10, 2020 as part of the first volume of the Kiss and Fly manga. Part 2 was released on July 9, 2020 as part of the 10th volume of the Sword Art Online Magazine and has yet to be compiled into a manga volume. Part 3 has yet to be released.

Rainbow Bridge is a sequel to the story of the Extra Edition and chronicles Kirito and his friends' investigations of the «Deep Sea Plunderers» quest in an attempt to find a possible continuation to the quest's story.

Summary[]

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 «The Child» 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.

Part 3[]

Once Kirito logged in to ALfheim Online and appeared in the inn where he had logged out, he wondered how to reach his destination without attracting too much attention, as it was rare to see a Spriggan in Swilvane. He decided to put on a hood an use a low-level illusion-attribute spell, «Moonshade Lurk», which made the player invisible while they were within the cover of a shade created by the moon. After navigating the city while avoiding being seen, he reached his destination, the Lord's Mansion of Swilvane.

The entrance to the mansion was guarded by NPC guardians, which only allowed those who were registered in the manaion's register of names to pass. Kirito was not registered in this list, but he wanted to meet with someone inside the mansion without rumours about his visit spreading, so he decided to use the cover of an artifcial lunar eclipse created by the floating castle Aincrad as it revolved around the fairy realm to infiltrate the mansion without being seen. As flight and magic abilities of outsiders were both nullified within the territory of the Lord's Mansion, Kirito tried jumping across the moat of the mansion. Barely making the jump with the help of his sword, Kirito proceeded to the top floor of the mansion.

There, Kirito entered Sakuya's room. After confirming that he did not mean any harm and explaining why he had infiltrated the lord's mansion instead of just sending a message, Kirito asked Sakuya for information about the quest that he had completed earlier that day, promising to tell Sakuya the secret of infiltrating the lord's mansion in return. To Kirito's surprise, Sakuya did not encounter Kraken nor Leviathan and she was transported by a squid instead of a whale, as she had given what she believed was a pearl to Nerakk. After settling the divergence of the quest's route, Kirito explained that what he really wanted to ask was about the «New Home» that Leviathan had mentioned. As Sakuya could not remember such a place, she activated a special map of Alfheim, with various points of interest marked on it. Using the map's search function, Kirito and Sakuya tried to find the so called «Home», but to no avail.

As Kirito tried analising Kraken and Leviathan's dialogue for clues again, he stopped his thoughts at the mention of a ruler of the sea and sky. He then asked Sakuya to display the lowest location in Alfheim on the map, which turned out to be the temple where the «Deep Sea Plunderers» took place. Kirito then asked for the opposite - the highest location in Alfheim. Without even checking the map, Sakuya revealed that it was the summit of the World Tree.

Part 4[]

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Part 5[]

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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.

References[]

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Aincrad Arc Fairy Dance Arc Extra Edition Phantom Bullet Arc Calibur Mother's Rosario Ordinal Scale Alicization Arc Unital Ring Arc
Progressive Arc
Light Novels Main Series Volume 01 - Volume 02 - Volume 03 - Volume 04 - Volume 05 - Volume 06 - Volume 07 - Volume 08 - Volume 09 - Volume 10 - Volume 11 - Volume 12 - Volume 13 - Volume 14 - Volume 15 - Volume 16 - Volume 17 - Volume 18 - Volume 19 - Volume 20 - Volume 21 - Volume 22 - Volume 23 - Volume 24 - Volume 25 - Volume 26 - Volume 27
Progressive Series Progressive 01 - Progressive 02 - Progressive 03 - Progressive 04 - Progressive 05 - Progressive 06 - Progressive 07 - Progressive 08
Alternative Series GGO 01 - GGO 02 - GGO 03 - GGO 04 - GGO 05 - GGO 06 - GGO 07 - GGO 08 - GGO 09 - GGO 10
Clover's Regret Volume 1 - Clover's Regret Volume 2 - Clover's Regret Volume 3
Material Edition Volume 01 - Volume 02 - Volume 03 - Volume 04 - Volume 05 - Volume 06 - Volume 07 - Volume 08 - Volume 09 - Volume 10 - Volume 11 - Volume 12 - Volume 13 - Volume 14 - Volume 15 - Volume 16 - Volume 17 - Volume 18 - Volume 19 - Volume 20 - Volume 21 - Volume 22 - Volume 23 - Volume 24 - Volume 25 - Volume 26 - Volume 27 - Volume 28 - Volume 29
Character Edition Lisbeth Edition - Silica Edition - Pina Edition
BD/DVD Specials Main Series Cordial Chords (OS BD/DVD) - Distant Journey (Alicization BD/DVD Vol.1) - If We Could Walk Together (Alicization WoU BD/DVD Vol.8) - If You Were Here (Alicization BD/DVD Vol.8) - If You Wish It (Alicization WoU BD/DVD Vol.2) - Rainbow Bridge (Extra Edition BD/DVD) - Sugary Days (Season 2 BD/DVD Vol.5) - Sisters' Prayer (Season 2 BD/DVD Vol.9) - The Day After (Season 1 BD/DVD Vol.9) - The Day Before (Season 1 BD/DVD Vol.1)
Alternative Series How LLENN Stopped Fretting and had Her Fire for Combat Sparked by Pitohui (AGGO BD/DVD Vol.6)
Magazine Publications Calibur SS - Celeste Fairy - Objectors! ~VRMMO Development Tragedy~ - Open-Air Bath - Salvia and the MTB
Crossover Dream Game -Crossover- - Versus - Versus II
Dengeki Fair Main Series 16.8.5 (2014) - Agil and Klein's Exciting Meal - Breaking the Damage Limit (2012) - Bluish Memories (2021) - Defensive Power (2015) - SAOP 4.1 (2016) - Summer Memories (2019) - The End of the Summer and the Straw Hat (2018)
Alternative Series LLENN and Fukaziroh Talking About Dates (2016) - Mizugi de Tatakaeru ka Online (MTO) (2018)
Other Specials Main Series chromatic colors (abec Art Works) - Cooking with the Wife (SAO x NewDays collaboration) - Hopeful Chant (Ordinal Scale screenings) - prismatic colors (abec Art Works Wanderers)
Alternative Series (AGGO) Girl Meets Gun ~P90 ni tsuite Yoku wakaru Online (PYO)~ (P-90 Airsoft Gun bonus) - Her step, step (ReoNa's Prologue Album) - Minami no Island Online (MIO) (Dengeki Island!) - MZO (Dengeki Splash) - Pitohui, Elsa, and a Fine Day for Handguns (AM.45 Airsoft Gun) - Sugoimizugi Jam (Dengeki Girls Swim Wear Festival) - The Untold Tale of the Vorpal Bunny's Birth ~Otherwise Known as the Worries of Two Gun Nuts~ (Vorpal Bunny Airsoft Gun bonus)
Alternative Series (Clover's Regret) Idle Talk - The Shinobi's Reckless Remarks (Dengeki Bunko Magazine Animate bonus) - The Story of the Matchmaking Bakeneko (Clover's Regret Vol.1 Animate bonus) - The Strange Tale of Makuwa Melons (Clover's Regret Vol.1 Melonbooks bonus)
Web Stories There is But One Ultimate Way
Manga Aincrad Volume 01 - Volume 02
Fairy Dance Volume 01 - Volume 02 - Volume 03
Phantom Bullet Volume 01 - Volume 02 - Volume 03
Mother's Rosario Volume 01 - Volume 02 - Volume 03
Calibur Tankoubon
Alicization Volume 01 - Volume 02 - Volume 03 - Volume 04 - Volume 05
Progressive Volume 01 - Volume 02 - Volume 03 - Volume 04 - Volume 05 - Volume 06 - Volume 07
Progressive - Barcarolle of Froth Volume 01 - Volume 02
Progressive - Scherzo of Deep Night Volume 01 - Volume 02
Girls Ops Volume 01 - Volume 02 - Volume 03 - Volume 04 - Volume 05 - Volume 06 - Volume 07 - Volume 08
Ordinal Scale Volume 01 - Volume 02 - Volume 03 - Volume 04 - Volume 05
Kiss and Fly Volume 01
4koma Manga Volume 01 - Volume 02 - Volume 03
SAOAGGO Manga Volume 01 - Volume 02 - Volume 03
Comic Anthology Volume 01 - Volume 02
4koma Anthology Volume 01 - Volume 02 - Volume 03
Hollow Realization Volume 01 - Volume 02 - Volume 03 - Volume 04 - Volume 05
Alicization Lycoris Volume 01 - Volume 02 - Volume 03
Aincrad Night of Kirito Tankoubon
Kirito's Gun Gale Wars Tankoubon
Anime Season I - Aincrad Arc Episode 01 - Episode 02 - Episode 03 - Episode 04 - Episode 05 - Episode 06 - Episode 07 - Episode 08 - Episode 09 - Episode 10 - Episode 11 - Episode 12 - Episode 13 - Episode 14
Season I - Fairy Dance Arc Episode 15 - Episode 16 - Episode 17 - Episode 18 - Episode 19 - Episode 20 - Episode 21 - Episode 22 - Episode 23 - Episode 24 - Episode 25
Season I - Special Episodes Sword Art Online Extra Edition
Season II - Phantom Bullet Arc Episode 01 - Episode 02 - Episode 03 - Episode 04 - Episode 05 - Episode 06 - Episode 07 - Episode 08 - Episode 09 - Episode 10 - Episode 11 - Episode 12 - Episode 13 - Episode 14 - Episode 14.5
Season II - Calibur Arc Episode 15 - Episode 16 - Episode 17
Season II - Mother's Rosario Arc Episode 18 - Episode 19 - Episode 20 - Episode 21 - Episode 22 - Episode 23 - Episode 24
Movie Sword Art Online The Movie -Ordinal Scale-
AGGO Episode 01 - Episode 02 - Episode 03 - Episode 04 - Episode 05 - Episode 06 - Episode 07 - Episode 08 - Episode 09 - Episode 10 - Episode 11 - Episode 12
Season III - Alicization Arc Episode 01 - Episode 02 - Episode 03 - Episode 04 - Episode 05 - Episode 06 - Episode 07 - Episode 08 - Episode 09 - Episode 10 - Episode 11 - Episode 12 - Episode 13 - Episode 14 - Episode 15 - Episode 16 - Episode 17 - Episode 18 - Episode 18.5 - Episode 19 - Episode 20 - Episode 21 - Episode 22 - Episode 23 - Episode 24 - Episode 25 - Episode 26 - Episode 27 - Episode 28 - Episode 29 - Episode 30 - Episode 31 - Episode 32 - Episode 33 - Episode 34 - Episode 35 - Episode 36 - Episode 37 - Episode 38 - Episode 39 - Episode 40 - Episode 41 - Episode 42 - Episode 43 - Episode 44 - Episode 45 - Episode 46 - Episode 47
Sword Art Offline Episode 01 - Episode 02 - Episode 03 - Episode 04 - Episode 05 - Episode 06 - Episode 07 - Episode 08 - Episode 09 - Extra Edition
Two Episode 01 - Two Episode 02 - Two Episode 03 - Two Episode 04 - Two Episode 05 - Two Episode 06 - Two Episode 07 - Two Episode 08 - Two Episode 09
Ordinal Scale
Drama CD Accel World + Sword Art Online Drama CD Ordeals of Kirito
Ichiban Kuji STAGE2
Ichiban Kuji STAGE3 Melodies Go Beyond the Forgetting Curve... - The Grand Plan for a Summer Festival Performance! - The Grand Plan to Overcoming Picky-Eating! - When Asuna and Yuuki Changed into Swimsuits
Ichiban Kuji Ordinal Scale A Brief Instant of Reminiscing Right Below the Concert - From Asuna's Diary on a Certain Day in Late April
SAO x KYOTO NIPPON FESTIVAL The Great Barrier of the Old Capital of Kyoto
Lycoris Drama CD Another Heroine Inverter
Sword Art Online Art Book and Guide Book Main Page
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