The way to use this tool is as follows, setting the weight to negative values will gives flat chest, positive values will result in big breasts.
The keywords in the prompt help with the result. Example for big breasts:
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║ ▒▒▒▒ Breasts Slider for Illustrious ✨
║ ▒▒▒▒ ——————————◉ 2.0 - +
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