Good results with just 7 steps
Use DPM++ 2S a Karras, with 7 steps,
CFG Scale HAS to stay at or around 7,
If you want to fix faces get the ADetailer extension
You can go to its inpainting section and set just 2 steps, which is sufficient
850anime_v10.safetensors
Same model published on other platforms. May have additional downloads or version variants.