A weight of ~0.9 is recommended (You might want to adjust the weight depending on your model). Feel free to experiment with other weights and share your results if you want to!
The main prompt is "SeiShonagon".
For her outfits try the following prompt:
Base: "ShonagonBase, jacket with blue trim, black shirt, sailor collar, skirt, choker, hairclip, sunglasses, eyewear hang"
Summer: "ShonagonBikini, white jacket, off shoulder, headphones around neck, white bikini, black shorts, visor cap, thigh strap"
Let me know if you have any issues.