The top site that links newcomers to FANBOX is X, followed by pixiv.
However, the most effective social media sites for promoting FANBOX vary depending on the genre of the creator.For many creators, the same post on pixiv and X will generate more effective buzz on pixiv.
FANBOX is a spinoff service from pixiv, and in fact, people who access your FANBOX page from pixiv are more likely to become your supporters than people who access your page from X.
On pixiv, people mainly post illustrations, but you can also post manga, novels, and ugoira.Promote yourself on pixiv, and get more pixiv users interested in your work.