Recommended params:

positive: masterpiece, best quality

negative: worst quality, low quality, jpeg artifacts, multiple views, 4koma, bad anatomy, bad hands, text

Euler A SGMUniform

25 steps

CFG 7

768x1192 or 1024x1024 or 1192x768

2x hi-res fix with 4x-AnimeSharp upscaler and 0.4 denoise

ADetailer with empty eyes in negative as necessary

add sepia/sunlight, eyeliner or toon \(style\) to negative as needed

see generation data for reference