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About the kouhai-chan (douki-chan) tag
kouhai-chan (douki-chan) is a character tag that NovelAI Diffusion can use. On Danbooru it has 288 posts, and its best-rated still image scores 804. 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 kouhai-chan (douki-chan)
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 kouhai-chan (douki-chan) in a prompt
Put the subject first, then this tag, then quality tags.
kouhai-chan (douki-chan), solo, best quality, masterpiecewlop, kouhai-chan (douki-chan), 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
Yomu_(sgt_epper) and Ganbare douki-chan character. An office lady, rival and the kouhai of Douki-chan who usually tries to get the attention of Douki-kun, which includes suddenly appearing in encounters between both, interrupting Douki-chan's opportunities to gain intimacy with him, always trying to seduce and keep the same away from other girls. Many men are attracted to her.
FAQ
Does NovelAI recognize kouhai-chan (douki-chan)?
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 kouhai-chan (douki-chan).
How do I write kouhai-chan (douki-chan) in a prompt?
Write "kouhai-chan (douki-chan)" 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.