DynamicPromptsと借り物のワイルドカード集も使用して下記の設定でどうだろうか？
txt2img:
Prompt: 1girl, __@200WildcardsNSFWAnd_sdWildcards/expression__, clothing #(*1)
Batch count: N
Batch size: 1
Dynamic Prompts:
Dynamic Prompts: enabled
Advanced Options:
Fixed seed: enabled
Settings:
Dynamic Prompts:
Automatically purge wildcard cache on every generation.: enabled
Disable de-duplication of wildcards before processing.: enabled
Disable sorting of wildcards before processing.: enabled
Shuffle wildcards before use for more random outputs: enabled
*1 https://civitai.com/models/20868/200-wildcards-nsfw-and-sfw