vanyk
Shrine Maiden
To be honest I doubt that this could affect non-Chinese voters much. Yes, this fangame is popular but as I know it is not that popular in Japan (Mystia's Izakaya is somewhat popular in Japan, though). There are also some good Chinese Koishi-related fangames which are not well-known in the West (and maybe in Japan). They could make Koishi more popular in China.One thing I find interesting is that Chinese Touhou fans often bring up Touhou Hero of Ice Fairy as a possible factor, especially its Koishi-focused DLC Rose Idol, released in April 2025. Strangely, none of the replies here have mentioned it so far.
Yeah, that a problem, Japanese, Chinese and Western Touhou communities don't know much about each other. That is why some content (fangames) which are well-known in one region may be obscure in other regions. (And there is also fragmentation by platforms)That may itself show how geographically fragmented Touhou media exposure has become: something that feels highly visible in the Chinese community may barely enter the explanatory map of Western fans.
That is why I think that it may be important to research why Koishi is popular in each region.