Sword Art Online Memory Defrag Anime Climax Hidden Mission List

Yui - Sword Art Online

Yui (ユイ) is a Mental Wellness Counceling Program AI (handle "Yui-MHCP001") generated past the Key System of the VRMMORPG Sword Art Online to monitor and assist with the players' emotional state as they play. Encountered past Kirito and Asuna on the Floor 22 of Aincrad, she became their companion and adopted AI-daughter with varied level of access to each world'due south Cardinal System.

Bio

SAO Description (Common)	Childish facial features, long black hair, bright black eyes, brusk. Default equipment: a white one-piece dress and waist ribbon. During Kirito and Asuna's honeymoon, her ensemble consisted of a long-sleeved pink sweater with purple skirt and crimson shoes (depicted as brown boots in the anime).
ALO Description	In ALfheim Online, Yui is categorized equally a Navigation Pixie, is x centimeters tall. She wears a long lite-pinkish tube superlative dress that features detached sleeves and pink anklets She too wears a blue flower in her hair.
Age	(perceived visual) around 12
Birthdate	2022-2024
Gender	Female AI
Family unit	Kirito, Asuna every bit in-game foster parents
Affiliation	Key Arrangement of the original SAO
VR/AR	SAO, ALO
Occupation	Mental Health Counseling Program in the original SAO
Voice Actors	JP: Itō Kanae; EN: Stephanie Sheh
First Appearance	Novel: Volume 2, Forenoon Dew Girl, Chapter 1; Manga: Aincrad Manga Phase.003; Anime: Episode xi; Game: Infinity Moment

Personality

Yui has 2 sides to her: an emotionally involved child that tin can likewise read minds (particularly pronounced in the beginning as her memory had deteriorated), and an all-out AI control subroutine with a lower-level interface.

In the get-go, when the death game had begun, she became melancholic due to being unable to assistance the players. After two years of witnessing suffering and decease, she institute a couple emanating happiness, and in essence, became so curious that it had overridden the Cardinal System's setting set up by Kayaba Akihiko telling her not to interfere. Her memory had become corrupted making her beliefs patterns to deed like a little child, including enjoying Kirito and Asuna's idea of adopting her, and getting obstinate when she refused to stay behind with Sasha when Kirito and Asuna went to the dungeon on a rescue mission, which saved their lives.

Related Sword Art Online Events

Aincrad Arc

Morning time Dew Girl

October thirty, 2024: As Asuna and Kirito follow upward on the talk of Floor 22 being haunted, Yui wanders aimlessly, and they notice her — a sluggish distant girl in a white dress in the middle of a forest. Kirito notices she has no player cursor over her caput and wonders what it means, but then the girl collapses, and Kirito and Asuna take her to their player home nearby and to i of the beds, where she stays unconscious. Asuna thinks the daughter could be lonely and joins her in bed.

Oct 31, 2024: Yui wakes upward but cannot recall annihilation apart from her proper noun. She as well has difficulties pronouncing remotely complex words, including the couple's names; they are endeared when Yui decides to get in easier and tries calling them her "papa" and "mama", and accept information technology. Yui is happy with that.
Yui, Asuna, and Kirito get on a trip to the Town of Beginnings to expect for anyone who might know Yui at all. Yui does not find the place familiar at all, including the Teleport Gate plaza that brought nigh a truly harrowing experience to every player two years agone. She falls asleep on their style to the church where the lost children live. Yui wakes upwardly and reminisces on beingness along for years in a dark place; then she has a seizure.

Nov one, 2024: The vice commander Yulier of the Aincrad Liberation Force requests Kirito and Asuna to find and rescue the entrapped leader of the guild called Thinker from a hidden dungeon beneath the Black Atomic number 26 Palace. The couple are expecting a trap for themselves and cannot decide either manner, and so Yui suddenly helps them maxim that she knows for sure Yulier is honest, just cannot say how. Yui also refuses to remain behind in safe during the quest, then all four of them go to the dungeon.
In the dungeon'due south deepest function, Yui touches a night stone cube in the middle of a safety zone room and all of a sudden remembers information technology all. The Fatal Scythe monster appears, and she slashes it in twain with a large flaming sword that turns out to be the GM panel'southward Object Eraser role. So Yui saves the adventurers and remembers she is an AI that was marked for deletion past Primal for independent action. Yui cheers Kirito and Asuna for taking care of her, and and so disappears. At the final moment, Kirito manages to also utilize the GM panel to save Yui onto his NerveGear's storage as function of his relieve country, and her plan manifests equally an in-game item "Yui'due south Heart" assigned to his inventory.

Fairy Dance Arc

Kirito transfers his character from SAO to ALO, logs in, and finds his inventory full of items with lost pointers, and Yui'due south Heart. He activates Yui's Eye, and Yui is brought back to life as a Navigation Pixie connected to the game'south assist data banking company. From then on, she keeps Kirito visitor, equally well equally provides the game tips.

Eventually, they discover Asuna who has been kept imprisoned by Oberon, and with Yui and Kayaba Akihiko's assistance Kirito manages to rescue her. Yui sends the two off to the real earth and records her own country onto Kirito'southward NerveGear, perpetuating her existence thereby.

Further Canon Stories

Yui keeps enjoying her time with Kirito and the others.

Not-canon

Infinity Moment, Hollow Fragment

Following the boss battle on Floor 75, Asuna and Kirito observe Yui's Heart glowing on Floor 76. They activate the item, and Yui is revived, becoming a partner character for Kirito.

She has a younger sister (some other MHCP AI) called Strea, who has her ain playable avatar. On Floor 100, Strea is imprisoned by the boss, and Yui tries hard to relieve her. The ii endings permit to either record Strea into Yui, or to get a side quest that allows the political party to interruption Strea's avatar out the mutual manner and then transfer her as some other Centre detail to ALO equally well.

Hardware

Yui is the get-go version of MHCP in SAO — a "acme-down AI" (a binary cluster) made to make use of emotions, consider options, and communicate. She is therefore continued to the cadre hardware and software of SAO and the derived worlds, which lets her announced in those worlds in immersive forms.

After on, Kirigaya Kazuto builds a feedback device that allows Yui collaborate with the existent world.

Trivia

• Yui can access the internet and local networks.
• Yui has an interest in breaking through firewalls.
• Yui is able to hear other player's alarms.
• Yui gets sleepy from Kirito'southward addiction of napping anywhere and everywhere, causing her to hate it.
• Yui enjoys communicating with Pina, equally the familiar's intelligence is of a complex structure.
• Yui is able to reproduce her original body in the ALO (likely due to the SAO addition) but only does it when sleeping together with Kirito and Asuna, equally her pixie body is more than user-friendly.
• Annoyed that she is unable to sit on Kirito's spiky hair in ALO, she made him modify his revert to his usual hairstyle on June 23, 2025.
• In the fighting game Dengeki Bunko Fighting Climax, Yui runs upwardly to hug Asuna in ane of her victory animations.

References

Yui - Fan Wiki

rocksockell.blogspot.com

Source: https://otakumode.com/otapedia/anime/sword_art_online/yui_sao

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