koi (koisan)

About the koi (koisan) tag

koi (koisan) is an artist tag that NovelAI Diffusion can use. On Danbooru it has 585 posts, and its best-rated still image scores 45. 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 koi (koisan)

Follows pose and expression instructions closely. Good for clean standing portraits.

V4.5

Picks up face shape, line and palette more strongly. Good when you want the style to lead.

ILLUST

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

Writing koi (koisan) in a prompt

Put the artist tag near the front, then add the subject and quality tags.

Basickoi (koisan), 1girl, solo, best quality, masterpiece

Characterkoi (koisan), hatsune miku, 1girl

Mixkoi (koisan), potto, 1girl

The mix example uses potto, the closest style on this site. 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

A unit of two Japanese artists that work under the guise of being a single artist, sharing the drawing and scriptwriting duties of Gochuumon wa Usagi desu ka? depending on the situation. The secret was revealed during the Café Lumière exposition on October 29, 2021.

[quote]2人組のユニットとして活動しています。作画、脚本といった役割に明確に分かれているわけではなく、状況により、役割が変化します。[/quote] <tn>— Koi's profile in the Gochuumon wa Usagi desu ka? Complete Blend, Vol. 1 art book</tn>

Source: Danbooru wiki · koi_(koisan) ↗

FAQ

Does NovelAI recognize koi (koisan)?

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 koi (koisan).

How do I write koi (koisan) in a prompt?

Write "koi (koisan)" near the front of the prompt and separate it from other tags with commas.

Which artists draw in a similar style to koi (koisan)?

potto, ryoutan, goyain are the closest on this site, judged from the V4.5 samples.

Should I use V5 or V4.5?

V4.5 gives a stronger koi (koisan) look. V5 gives steadier poses and fewer artifacts.

Artists with a similar style