Here are the recommended parameters:
Steps: 30, Sampler: DPM++ SDE Karras, CFG scale: 7, Size: 512x768, Denoising strength: 0.5-0.65, Clip skip: 2, Hires upscale: 2, Hires steps: 15-30, Hires upscaler: R-ESRGAN 4x+ Anime6B.
If you would like an FP32 model, please let me know in the comments section.