About the len'en tag
len'en is a series tag that NovelAI Diffusion can use. On Danbooru it has 4,652 posts, and its best-rated still image scores 61. 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 len'en
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 len'en in a prompt
Put the subject first, then this tag, then quality tags.
len'en, solo, best quality, masterpiecewlop, len'en, 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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Len'en (鏈縁 or 連縁, lit. "Connecting Chain") is a series of vertical danmaku shooting games made by JynX, set in the land of Mugenri. Although inspired by Touhou and Seihou, the games are not Touhou fangames. They are set in a separate world featuring an entirely new cast of characters.
Also of note is that while in Touhou the characters are all female, in Len'en the characters' genders are generally left ambiguous. It is likely that their genders will never be revealed, and that it will simply be up to the player's interpretation. Most of the characters have names that reference birds.
Games
- 鏈縁 无現里 (Len'en Mugenri) ~ Evanescent Existence
- 鏈縁 蛇叢釼 (Len'en Tasouken) ~ Earthen Miraculous Sword
- 鏈縁霊烈傳 (Len'en Reiretsuden) ~ Reactivate Majestical Imperial
- 連縁天影戦記 (Len'en Teneisenki) ~ Brilliant Pagoda or Haze Castle
- 連縁カフェ (Len'en Cafe) ~ BOOK of the CAFE
Characters
Evanescent Existence
- Houlen Yabusame
- Enraku Tsubakura
- Kurohebi
- Shitodo Aoji
- Shitodo Hooaka
- Shitodo Kuroji
- Clause
- Senri Tsurubami
Earthen Miraculous Sword
- Amanomiya Jun
- Amanomori Shou
- Celeritas Lumen
- Kokutenshi Hibaru
- Katano Sukune
- Adagumo no Yaorochi
- Tasouken
- Adagumo no Saragimaru
Reactivate Majestical Imperial
Brilliant Pagoda or Haze Castle
- Mitsumo
- Terumi
- Shirami Souko
- Kesa Kujiru
- Moritake Medias
- Azuma Kaisen
- Ooya Kunimitsu
- Kuzu Suzumi
- Ogata Garaiya
- Para
- Taira no Chouki
- Kashiwagi Kaoru
- Fujiwara no Shirogane no Sanra
- Ooama no Ake no Mitori
- Xeno A
- Senri Haiji
- Ametsukana Yago
External links
- "Len'en Wiki":https://lenen.wiki.gg/wiki/Len%27en_Project
- "Touhou Wiki: Len'en Project":http://en.touhouwiki.net/wiki/Len'en_Project
FAQ
Does NovelAI recognize len'en?
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 len'en.
How do I write len'en in a prompt?
Write "len'en" 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.













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