About the nanashi mumei tag
nanashi mumei is a character tag that NovelAI Diffusion can use. On Danbooru it has 7,508 posts, and its best-rated still image scores 1,308. 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 nanashi mumei
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 nanashi mumei in a prompt
Put the subject first, then this tag, then quality tags.
nanashi mumei, solo, best quality, masterpiecewlop, nanashi mumei, 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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A former Virtual YouTuber, part of hololive English's 2nd generation. Designed by Azuuru.
On March 28th, 2025, she announced that she would be graduating from hololive. Her final stream was on April 28th.
She has golden-brown eyes and brown hair with white and black streaks on her sidelocks. An ahoge sticks out of the top of her head, and her double-parted crossed bangs reach between her eyes.
Appearance
Regular costumes
- : 1st costume: Default
- : New Year
- : Casual
- : Emo
Other costumes
- !asset #25343172: Smol Mumei
- : Birthday 2022 (Merch only)
- : Harpy
- : Boomei
- : Valkyrie Connect
Costumes shared with other members
Groups
- holoCouncil (debut)
- holoPromise
- HOLOTORI
- SNOTcast (casual)
See also
- Friend (companion and mascot)
- Nightmare
- Hootsie
- Hooman (fanbase)
- Animal
- Nanashi Mumei (owl)
- Nanashi Muman (genderbent for holoMinistry)
- Nanashi Mumei's horror painting
- Nanashi Mumei (artist) for works made by her
- Mumei (song)
External links
FAQ
Does NovelAI recognize nanashi mumei?
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 nanashi mumei.
How do I write nanashi mumei in a prompt?
Write "nanashi mumei" 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.