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Sugou Nobuyuki

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Sugou Nobuyuki

Sugou Nobuyuki


Personal Information
Name (Japanese) 須郷伸之
Name (Romaji)[?] Sugō Nobuyuki
Avatar Name (Japanese)[?] オベイロン (Obeiron)
System Name[?] Oberon
Gender Male
VR «ALfheim Online»
Occupation RECT Progress Chief (Former)
Voiced By (Japanese) Takehito Koyasu
Voiced By (English) Todd Haberkorn [1]
First Appearance
Novel Volume 3 Chapter 1
Manga Fairy Dance Manga Stage.001
Anime Episode 15

Sugou Nobuyuki (須郷伸之, Sugō Nobuyuki?) is the former chief of the research institute of RECT Inc., RECT Progress. He was Fairy King Oberon (妖精王オベイロン, Yōsei-ō Obeiron?), the main antagonist of the Fairy Dance Arc. He is also Asuna's ex-fiance.


Real Life AppearanceEdit

In the real world, Nobuyuki has short, slicked back hair, dark eyes and glasses, and wears a business suit. He is quite tall, and wears a red tie.

ALfheim Online AvatarEdit

In ALfheim Online (ALO), his avatar, Oberon, has green eyes and wings, shoulder length blonde hair. He wears a crown, a long dark green robe and a green cloak, both with an emerald-like jewel. He has a pale skin, long pointed ears, as do all the characters except Cait Siths, but his have gold leaves on top, like Asuna's Titania avatar.


Originally selected by Asuna's father to marry Asuna, he was adopted into her family on her father's wishes. He attended the same school with Kayaba Akihiko, whom he viewed as his rival. Once «Sword Art Online» was cleared (until that point the SAO servers were untouchable), he was able to hack into SAO server via router and obtain the minds of 300 SAO players, Asuna being among the 300 players, as test subjects for his research on controlling peoples' feelings, memories, in other words, research on the manipulation of the human soul. In «ALfheim Online» he adopts the persona of Fairy King Oberon.


Nobuyuki hides his true personality, especially in front of Asuna's father but shows his true colors to Kazuto as soon as they were left alone. Nobuyuki is an amoral and greedy entrepreneur, as he had kidnapped 300 players from SAO for his experiment on manipulating the human mind, which he planned to sell to other companies. Nobuyuki also has a habit of framing others for his problems, especially Kayaba as he felt that he was the source of all of his problems.

Nobuyuki also viewed himself as a god that could get anything he wanted, viewing other people as inferiors who tried to interfere with his actions, and often abused his GM status to flaunt his "god"-like status. Nobuyuki also harmed many people, especially their feelings, and thought that they were helpless to do anything about it. He also has an extremely perverted side, especially towards Asuna, as he had sexually harassed her on many occasions, even going as far abusing her in front of Kirito.

Unlike Akihiko, however, Nobuyuki is a poor fighter, as when he tried to attack Kirito after the latter had given him the strongest weapon in ALO, Kirito parried with ease. Nobuyuki also has low tolerance for pain; even a slice on the cheek was enough to make him panic.


Fairy Dance ArcEdit

Kirito challenges Sugou

Kirito vs Oberon.

As the Fairy King Oberon, Nobuyuki kept Asuna locked up in a giant bird cage at the top of the World Tree. In the real world, he confronted the powerless Kazuto by voicing his intentions of wedding the unconscious Asuna. While keeping Asuna locked up in ALO, he constantly visited her, and there he brought her to the verge of tears by harassing her.

Kirito finishes off Oberon

Kirito delivering the finishing blow to Nobuyuki.

After Kirito managed to ascend the World Tree and reach Asuna, Oberon appeared and used his administrator privileges to keep Kirito pinned down with powerful gravity magic. Once Kirito and Asuna were unable to move due to the gravity magic, he manipulated a menu to call down 2 chains, which he used to shackle Asuna. After Kirito voiced his protest against Oberon mistreating Asuna, Oberon used Kirito's sword to stab him, soon afterwards turning the Pain Absorber program level down so that Kirito would experience real pain from the injury. Oberon then began sexually assaulting Asuna in front of the helpless Kirito. Fortunately, Kayaba Akihiko saved Kirito by giving him the details necessary to log in with Akihiko's ID - Heathcliff - which, due to ALO being a copy of the SAO servers, had greater system authority than Oberon's ID. This allowed Kirito to use a Voice Command to nullify Oberon's supervisor authority. After this, Oberon tried using a Voice Command to generate Excalibur, the strongest weapon in ALO, for himself but to no avail. After Kirito repeated the same command and gave the generated Excalibur to Oberon, he used another Voice Command to set the pain absorber program from level 8 to level 0, causing every injury to feel as if it were 100% real. Even though Oberon tried attacking Kirito, probably due to his rage and lack of experience, Oberon left an easy opening, which Kirito used to strike Oberon at his cheek. Afterwards, Kirito lashed out at Oberon with all the anger he had accumulated, amputating his hand, bisecting him, and then stabbing his sword though his eye, killing his avatar.

Sugou Last Stand

Nobuyuki's last stand.

Sugou Defeat

Nobuyuki's defeat.

Afterwards, in the real world, Nobuyuki attempted to kill Kazuto with a knife when he was running to Asuna's hospital. Even though he was in control of the situation for a little while and even had the chance to deal a fatal blow, due to the pain and fogginess of his right eye he missed and Kazuto soon mustered the strength needed to overpower him. Nobuyuki was later arrested and interrogated. However, Nobuyuki tried denying everything and blamed it all on Kayaba Akihiko, though an underling of his confessed when news of the existence of a witness was spread. According to Kazuto, Nobuyuki eventually confessed everything because of this.

Non-canon ChronologyEdit

Infinity Moment/Hollow FragmentEdit

NonCanonAlert Non Canon: Some or all events and details given in this section, may be considered non-canon to the main story.

Sugou Nobuyuki attempted to hack into Aincrad in an attempt to retrieve the minds of the players for his experiment on manipulating human emotions. As a result, he and several members of his team ended up getting sucked into Aincrad themselves. Taking the opportunity, Nobuyuki used his administrator account to create a powerful avatar, named «Alberich». As Alberich, he attempted to join the Clearing group, stating that his level and equipment should suffice to prove his abilities. However, after dueling with Kirito, it was revealed that despite his high stats and equipment, his battle skills were poor and would only hold the Clearing group back in the end.

Eventually, Kirito saw Klein confront Alberich, who used a mysterious weapon to forcefully transport a player somewhere else upon a single touch. Kirito demanded another duel with Alberich, who believed that their last duel was a fluke, and ended up winning. Alberich disappeared, leaving one of his men behind to be interrogated by Klein and Kirito about the whereabouts of the other players. After rescuing the missing players, Kirito discovered a console that held information regarding Strea, the captured players, and their emotion states, before deleting all the files and shutting down the data for good.

Alberich reappeared after the defeat of one of the last few Floor Bosses, revealing his true identity and his plans of creating a program to control the emotional states of people and to sell the program throughout the world. Alberich then used the privileges of his super account to paralyze everyone and slowly destroy them using the Hollow Avatar creature, which was intended to be used as the final Floor Boss. Kirito and the others managed to break through his paralyzing effect and defeated the Hollow Avatar, before Alberich paralyzed everyone once again and attempted to kill Kirito with a special blade that held an incurable poison. However, this attempt was negated by Strea, who took the attack for Kirito and ended up fusing with the Hollow Avatar.

Alberich was then imprisoned along with the rest of his group by the Clearing, and remained inactive during the rest of the game. After the Aincrad incident ended, Sugou Nobuyuki was reported to have been stripped of his position and arrested due to the complaints and comments made by all the surviving players, as well as an investigation report that supported such claims.


See: Sugou Nobuyuki/Image Gallery


  • Nobuyuki appears in Sword Art Online: Infinity Moment as Alberich and like his ALO avatar, his appearance bears no resemblance to his real life form.
  • Nobuyuki's ALO avatar, Oberon, is based on a fictional character with the same name who is the king of the fairies in medieval and Renaissance literature. He is best known as a character in William Shakespeare's play, A Midsummer Night's Dream, in which he is Consort to Titania, Queen of the Fairies.
    • Titania is the name that Nobuyuki gave to Asuna's first avatar in ALO while she was trapped, though she rejected it repeatedly.
  • Todd Haberkorn, Nobuyuki's English voice actor, also voices Crimson Kingbolt in Accel World, another series written by Kawahara Reki.



Major Characters
Alice Schuberg - Asuna - Eugeo - Kayaba Akihiko - Kikuoka Seijirou - Kirigaya Suguha - Kirito - Klein - Lisbeth - Silica - Sinon - Yui
SAO Players
Aincrad Liberation Force/ALS Joe - Kibaou - Kobatz - Thinker - Yulier
Divine Dragon Alliance/DKB Lind - Schmitt - Shivata - Yamata
Fuumaningun Isuke - Kotaru
Fuurinkazan Dale - Dynamm - Harry One - Issin - Klein - Kunimttz
Golden Apple Caynz - Grimlock - Griselda - Schmitt - Yolko
Knights of the Blood Asuna - Daizen - Godfree - Heathcliff - Kirito - Kuradeel
Laughing Coffin Johnny Black - Kuradeel - PoH - XaXa
Legend Braves Beowulf - Cu Chulainn - Enkidu - Gilgamesh - Nezha - Orlando
Moonlit Black Cats Ducker - Keita - Kirito - Sachi - Sasamaru - Tetsuo
Titan's Hand Rosalia
Others Agil - Argo - Ashley - Coper - Diavel - Lisbeth - Lux - Morte - Nishida - Rossa - Sasha - Silica
Beta-Tester Argo - Coper - Diavel - Morte - Kirito
NPC Angel - Kizmel - NPC Orchestra - Pina - Ruru - Tilnel - Yui
Non-Canon Aaaa - Leafa - Philia - Rain - Sinon - Strea - Yuuki
ALO Players
Cait Sith Alicia Rue - Silica - Sinon
Gnome Agil - Tecchi
Imp Yuuki
Leprechaun Lisbeth - Talken
Pooka Sasha
Salamander Eugene - fastuosa - Gtacs - Jun - Kagemune - Klein - Mortimer - UxperXJ
Spriggan Kirito - Kuro - Nori
Sylph Erika - Leafa - Recon - Sakuya - Sigurd
Undine Asuna - Chrysheight - Siune - Thinker - Yulier
NPC/Navigation Pixie Angel - Leviathan - Nerakk - NPC Orchestra - Pina - Skuld - Thrym - Thor - Tonkii - Urðr - Verðandi - Yui
Others Ashley - Marinca - Saitou Shouichi - Sugou Nobuyuki
Non-Canon Argo - Philia - Rain - Seven - Strea - Sumeragi
GGO Players
Dyne's Squadron Arashi - Dyne - Ginrou - Jin - Miso - Sinon
BoB Participants Blackwood - Colonel Liberty - DA*LU - Dyne - E.J. - Fernil - Garrett - huuka - Jack Reacher - JIGEN - Kakouton - kaeeeede - Kakameposu the II - Keith - Kirito - Lion King Richie - Masaya - Musketeer X - No-No - Pale Rider - Pancho - Raiden - Licoco - Setsugekka - Shishigane - Sinon - Sterben - Stinger - Subtilizer - Ten-Q - Uemaru - Yamikaze - XeXeeD - XYZ
Death Gun Victims Garrett - Pale Rider - Usujio Tarako - XeXeeD
Squad Jam Participants LLENN - Miyu - Pitohui
Others Behemoth - Spiegel
Underworld Resident
Human Empire Rulid Village Alice Schuberg - Bercouli - Doyke - Eugeo - Garitta - Gasupht Schuberg - Jink - Kirito - Nigel Balbossa - Orick - Sadina Schuberg - Selka Schuberg - Sister Azariya
Zakkaria Banou Wolde - Egome Zakkalight - Kelgam Zakkalight - Telin Wolde - Telulu Wolde - Toriza Wolde
Centoria Azurika - Cardinal - Quinella - Sadore
Sword Mastery Academy Azurika - Eugeo - Frenica Szeski - Gorgolosso Baltoh - Humbert Zizek - Kirito - Raios Antinous - Ronye Arabel - Sortiliena Serlut - Tieze Shtolienen - Uolo Levanteinn - Zobun
Central Cathedral Cardinal - Charlotte - Chudelkin - Elevating Operator - Fizel - Linel - Quinella
Integrity Knight Alice Schuberg - Bercouli - Dakira - Deusolbert - Eldrie Woolsburg - Eugeo - Fanatio - Fizel - Giro - Hobren - Jeis - Linel
Dark Territory Black Iums D.I.L - Fu Za - Iskahn - Shasta
Orcs Rilpirin
Giants Sigrosig
Goblins Oroi - Ugachi
From RW Rath Kirito
Glowgen DS Gabriel
Reality/Other Games
Rath Aki Natsuki - Higa Takeru - Kikuoka Seijirou - Koujiro Rinko - Nakanishi
Others Cel - Clovis - Doctor Kurahashi - Endou - Kirigaya Midori - Konno Aiko - Merida - Sada Akiyo - Yuuki Kouichirou - Yuuki Kyouko - Yuuki Shouzou

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