Recommended parameters:

Sampler: Euler a, DPM++ 2M Karras, DPM++ 3M SDE Karras
Steps: 25-40
CFG: 5-8
Clip skip: 2

Recommended parameters(Upscale):

Denoising: 15-35
Scale: 1.4-1.7
Extra noise: 0.00-0.05
SelfAttentionGuidance: True

(I usually do two upscales of 1.4-1.7, bringing the final vertical resolution to 2500-3000px.)

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Prompt

Positive:

SFW/NSFW:

score_9,score_8_up,score_7_up,source_anime,BREAK
(absurdres,highres),(high quality,best quality),(masterpiece:0.5),
{prompt}

SFW

score_9,score_8_up,score_7_up,source_anime,rating_safe,BREAK
(absurdres,highres),(high quality,best quality),(masterpiece:0.5),
{prompt}

Negative:

SFW/NSFW

score_4,score_5,score_6,
zombie,bad fingers,bad hand,bad feet,extra digits,(interlocked fingers, badly drawn hands and fingers, anatomically incorrect hands),
{prompt},(lipgloss, lipstick:0.7),
BREAK
lowres,missing,worst quality,jpeg artifacts,low quality,unfinished,displeasing,oldest,signature,jpeg artifacts,blurry,

SFW

score_4,score_5,score_6,
zombie,bad fingers,bad hand,bad feet,extra digits,(interlocked fingers, badly drawn hands and fingers, anatomically incorrect hands),
{prompt},(lipgloss, lipstick:0.7),nude,nsfw,
BREAK
lowres,missing,worst quality,jpeg artifacts,low quality,unfinished,displeasing,oldest,signature,jpeg artifacts,blurry,

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Notes:

- Checkpoint likes to draw very plump lips, so I recommend adding (lipgloss, lipstick:0.7) to the negative prompt.

- To avoid NSFW, you should add rating_safe to the positive prompt and nude, nsfw to the negative prompt.

- These are just recommendations, there is nothing really important here, do as you wish.

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HF: https://huggingface.co/SiriusFW/SiFW-AnnihilationXL