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Warning.png Spoiler Alert: This article or section contains details about plotlines not covered in the anime. Do not proceed unless you wish to be spoiled.

The Celeste Fairy (チェレステの妖精, Cheresute no Yōsei?) is a magazine bonus short story written by Kawahara Reki. It was initially released on April 10, 2013[2] as part of an «All-in-1-Book: Accel World & Sword Art Online» (まるごと1冊  アクセル・ワールド&ソードアート・オンライン, Marugoto Issatsu Akuseru Wārudo & Sōdo Āto Onrain?) appendix to Dengeki Bunko MAGAZINE Vol.31.[1]

The story is set at the end of the Fairy Dance Arc after Kirigaya Kazuto (Kirito) enrolled to the SAO Survivor School and features an episode involving a bike he received as a celebration gift for the occasion.

Plot[]

On Friday, April 10, 2025, after Kirigaya Kazuto hung up his new school uniform, he heard his sister, Kirigaya Suguha, calling him to the garden. There, Kazuto noticed a large object covered in a bed sheet next to his sister. At his arrival, Suguha removed the sheet, revealing a Bianchi road bicycle. After Kazuto's onslaught of questions, Suguha revealed that she had bought the bike with a huge discount from Rinrindou, a bicycle shop that the two had frequented since kindergarten. While examining the bike, Kazuto noticed that the bike was too big for his sister, a remark that prompted her to explain that the bike was a gift for him to celebrate his enrollment to school.

Two days later, at 10:00 in the morning of Sunday, April 12, Kazuto prepared for a cycling course. Just as he was about to exit into the main road with his bike, he called out Yui, prompting her to appear in the AR sunglasses connected to the mounted portable terminal on the bike. Kazuto asked Yui to begin data logging and barely dodged her question after accidentally letting out a remark about her Artificial Intelligence abilities.

After cycling for around twenty minutes, Yui suddenly detected electromagnetic waves of the ANT+ protocol coming from Kazuto's bike. At his request, Yui searched for the device transmitting the waves and visualizes a girl the size of Yui. The mysterious girl announced that 907 days had passed since the last ride and that she is being charged by the bike's internal dynamo. Kazuto then realized that the reason why his bike was so cheap was because the previous owner built a power generator in the bottom bracket of the bike, which caused the bracket to get stuck and the bike to be sold for a much cheaper price. He also realized that the battery was probably charged to the minimum level after the time he spent cycling, which caused the device storing the mysterious girl to start up.

Stopping in a parking lot to gather his thoughts together, Kazuto realized that the previous owner of the bike would not have left such a customized interface behind willingly, therefore he decided to find the previous owner and return the supposedly stolen bike to him. Having Yui pass on his voice messages to the girl, he found out that she was named «Cel» and asked her to display the previous traveling route, this revealing the previous owner's home.

Arriving at the destination, a detached house, Kazuto interacted with the intercom and explained the reason for his visit. A woman in her mid-twenties came out and opened the gate, being taken aback the moment she saw the bike. The woman then explained that the bicycle used to belong to her younger brother, a university student, and explained that her brother was denied from riding bicycles due to a certain event in autumn three years ago that left him stuck in the bed for two years. She also explained that due to his weakened body, her brother had shut in his room playing VR games, refusing to go to university or to go cycling, because of this, the boy's father angrily got rid of the bike, which was supposed to have been a present to him for getting into university. Kazuto then asked the woman whether her brother would like to have his old data logger, the one storing Cel, back.

A little while after the woman sent a message to her brother via her terminal, a ringtone started playing from the terminal. The caller explained how to safely remove the data logger from the bike and Kazuto gave it to the woman to pass it on to her brother. After Kazuto shared his contact details with the woman, in case her brother ever decided to buy a new bicycle and come over to Kawagoe to thank him, Kazuto set back on the cycling road to head back home. While cycling back, Yui revealed that she had communicated with Cel and got information on the road surface from her. Yui then asked whether they would ever get to see Cel again, to which Kazuto answered that he was sure that they would meet her again.

References[]

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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
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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
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Lycoris Drama CD Another Heroine Inverter
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