Those polls and image results always make me wonder: What kind of encouragement could we see to the overall popularity of a character if they received several scenes? I think Eva was boosted by the content she got, her poll placement jumped up quickly after her update. Could some additional content for a smaller busted character like Lacey who would normally score fairly low in the polls give them a similar boost and bring some more fans of various other body-types besides busty girls into the games' fanbase?
The short answer is : content is unlikely to be able to do that
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The somewhat short answer is :
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A long and detailed answer covering
all girls is here :
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So in real terms, what strong content to Lacey could do, was to get closer to or even into contact with the mediums, that is the next tier above her, which is renee and yumiko (brenda, a medium does not count here, as she is critically hindered, see link).
And maybe extend small support to get closer to medium support. More than that is highly unlikely as it would take a significant amount of time and effort to effect (my guess would be at least 1 year of effort, as more small girls would be needed, many new patrons with that preference would then need to be attracted etc)
all imo of course