Best settings are this:

If you use comfy ui, use metadata from the example images to just copy my flow with hires.fix , it's the best for this
Trigger word is tsuji_santa
I like this artist's style a lot, especially in his illustrations in You and Me and Her (partially sonicomi as well).
Model was trained on extracted illustrations from the model so don't expect it to be proficient with Sonico.
Overall I think the result is pretty good and I hobby you guys can admire the result and the artwork of that style as much as I do.
Please do not use the art for commercial purposes because it's:
1) Illegal
2) Wrong
3) Totally not cool