About the yowane haku tag
yowane haku is a character tag that NovelAI Diffusion can use. On Danbooru it has 1,797 posts, and its best-rated still image scores 289. 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 yowane haku
Follows composition and expression instructions closely, so the effect shows in a tidy form.
Reacts to the tag more strongly, so its effect is easier to see.
WAI illustrious SDXL v17, a local model. Shows how the same tag reads outside NovelAI.
Writing yowane haku in a prompt
Put the subject first, then this tag, then quality tags.
yowane haku, solo, best quality, masterpiecewlop, yowane haku, soloThe 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
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Yowane Haku is an original Vocaloid character originated from a 2channel thread where a user commented: "I bought Hatsune Miku for her cute looks but no matter how hard I try, I can't get anything better than mechanical sounding songs out of her."
An artist (Caffein) took this idea and ran with it to create Yowane Haku, an alter ego of all unskilled users of Hatsune Miku. Haku is a sad Vocaloid who just can't sing as well as Miku. She is always crying because of this and vents her frustration by drinking. Her image colors are silver and purple. Her character item is a sake bottle. She's also noted for her curvier figure compared to Miku and has a decent following. Haku's name means "speaking weak words" ('speaking' here has connotation of a pent-up sigh or muttering.)
This created a trend of users labeling badly-made Vocaloid songs with voyakiloid, or "shouting vocaloid." It is implied that it was Haku who sung those songs, and not Miku. Later on, she received several fan-made MMD models and being treated as a "genuine" character rather than a byword for bad Vocaloid songs.
She has long grey hair (sometimes depicted as white) tied in a ponytail, and sidelocks. Her usual attire consists of a cropped sleeveless collared grey shirt with a purple necktie, black detached sleeves with purple trims, black pants held up with a purple belt, white boots with a purple soles, and a striped hair bow.
Appearance
See also
FAQ
Does NovelAI recognize yowane haku?
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 yowane haku.
How do I write yowane haku in a prompt?
Write "yowane haku" 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.