Conclusion
oppai produced results comparable to the control. Japanese romaji does not function on this model.
Back to Comprehensive Breast Size Prompt Comparison
This article is a detailed investigation for Comprehensive Breast Size Prompt Comparison.
What Was Tested
Whether the Japanese romaji word “oppai” affects breast size.
Experiment conditions and base prompt: see the summary article.
Results
oppai
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Results were comparable to the control. No breast size increase from using oppai was observed.
![[No Effect] Does `oppai` Work? — Testing Japanese Romaji for Breast Size](/tips/breast-size-oppai-romaji-test/p2n_oppai_0_0000_4517457392071889496.webp)



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![[No Effect] hanging bombs, titty monster, watermelon-sized — Testing Metaphors and Slang for Breast Size](/tips/breast-size-slang-metaphor-test/p2f_gigantic_jugs_0_0000_2053695854357871006.webp)