Touhou Kouryuudou ~ Unconnected Marketeers (東方虹龍洞 ~ Unconnected Marketeers) is the eighteenth official Touhou game. It was announced by ZUN on February 27th, 2021. A playable demo was released on March 21st, 2021.
"A mysterious card was circulating in the streets. It seemed that the card contained the secrets of many humans and youkai. Why, how... out in the survey. "