V4.5Characters
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kizuna ai

1,671 Danbooru posts · top score 388 · V4.5

seed 1234Tap an image to enlarge
AI-generated NovelAI V4.5 sample of the "kizuna ai" tag
V4.5NAI Diffusion Anime V4.5
Promptkizuna ai, 1girl, solo, best quality, masterpiece, cowboy shot, sfw, fully clothed, looking at viewer

About the kizuna ai tag

kizuna ai is a character tag that NovelAI Diffusion can use. On Danbooru it has 1,671 posts, and its best-rated still image scores 388. The samples above put the tag at the front of a fixed base prompt with seed 1234, so the differences between tags come from the tag alone.

How each model draws kizuna ai

V5

Follows composition and expression instructions closely, so the effect shows in a tidy form.

V4.5

Reacts to the tag more strongly, so its effect is easier to see.

ILLUST

WAI illustrious SDXL v17, a local model. Shows how the same tag reads outside NovelAI.

Writing kizuna ai in a prompt

Put the subject first, then this tag, then quality tags.

Basickizuna ai, solo, best quality, masterpiece
With artistwlop, kizuna ai, solo

The negative prompt and the full settings are on the terms page.

How these samples were made

Every image uses 832×1216, seed 1234, 23 steps and the k_euler_ancestral sampler. The base prompt and negative prompt stay the same for every tag, and only the tag under test changes. Images flagged by the NSFW check are regenerated with a new seed or hidden.

From the Danbooru wiki

Show the wiki text ▾

The world's premier VTuber. She uploads a variety of videos to her YouTube channel, the A.I. Channel, in a similar format to other popular YouTubers. She's produced by activ8 under their Kizuna AI Inc. autonomous subsidiary.

Her character designer is Morikura En, while her voice actor was kept a secret (until April 24, 2020 when it was revealed that Kasuga Nozomi was her "voice model"). She made her debut with the video Creating A Twitter account! on November 29, 2016. Her 3D model is available for download from her official website.

She describes herself as a 16 year-old super intelligent A.I. that is curious about humans. As the sole resident of an endless white void, she finds human life fascinating, and wishes to use her channel to learn more about them. In a live stream celebrating a new subscriber milestone, Kizuna Ai gave her impression of her own three-sizes: 83-56-81.

On February 26, 2022, Kizuna Ai went on an indefinite hiatus following a final hello, world virtual concert. At the final live, an anime project and a CeVIO voicebank (KZN) based on her were announced. Exactly 3 years later, on February 26, 2025, she announced the resumption of her activities

Kizuna has had an immense amount of game collabs, including an appearance as a shipgirl in Azur Lane, an unlockable Fall Guy skin in Fall Guys, and an appearance as a playable pilot in Super Mecha Champions. activ8 has also ensured she had collaborations with crypto ventures, such as Otaku Coin and Japanese metaverse/NFT project METAANI, as well as previously having talked about Bitcoin, which is met with mild controversy among anti-crypto crowds.

Appearance

Regular costumes
Other costumes

Related tags

External links

Source: Danbooru wiki · kizuna_ai ↗

FAQ

Does NovelAI recognize kizuna ai?

Compare the samples on this page. Every tag on this site shares the same seed and base prompt, so any change you see comes from kizuna ai.

How do I write kizuna ai in a prompt?

Write "kizuna ai" near the front of the prompt and separate it from other tags with commas.

Should I use V5 or V4.5?

V4.5 shows the tag's effect more strongly. V5 gives steadier images with fewer artifacts.