Character Card for game Koikatsu! コイカツ! You can get this character card and play with her, character card available: >>PATREON ONLY<< https://www.patreon.com/arthurkingkoikatsu
@TheNineTailedFox If you want to advertise your cards I recommend the several Illusionbooru sites or the fan discord channel. Pixiv even has a tag dedicated for cards as well.