I've kept the download links for these versions - you can choose whichever suits your needs best.

From my experience:

v4 performs better with lighting/shadow expressions

v8 delivers more impactful results for NSFW content

v2 appears slightly overfitted

Personally I consider v4 the optimal model.

Here are her base trigger words. I removed eye/hair color specifications since the original training dataset already excels at representing these aspects naturally - these should be learned organically.

hibike sari yoshii, lora:hibike_Sari_Yoshii-000002:1, blush, 1girl, long hair, sidelocks, portrait, parted lips, blush, looking at viewer, open mouth,

Potential quality boosters:

shadow, dark, glowing, shiny skin, portrait, close-up, solo focus, blurry, indoors,

Outfit:

Kitauji High School uniform, school uniform,

Other male characters:

• Teacher: hibike taki noboru, 1boy, male focus, blue eyes, outstretched arms, tuxedo, formal, blurry background, black-framed eyewear, white bow, jacket, shirt, vest, blurry, short hair, black jacket, suit, closed mouth, bokeh, long sleeves, black suit, traditional bowtie, anime coloring

• Shuichi: hibike tsukamoto shuuichi, 1boy, male focus, brown hair, solo, school uniform, gakuran, brown eyes, upper body, green eyes, short hair, anime coloring"

use WAI-NSFW-illustrious v10.0