This event was cancelled due to the 2019–2020 coronavirus pandemic.

The Hakurei Shrine Reitaisai (博麗神社例大祭) is an annual convention held in Japan to officially release demo and full versions of Touhou games. Fan works are also released at the event.
Reitaisai 17 will be held in Twin Messe Shizuoka on May 17, 2020. Official website: http://www.reitaisai.com/

The event was originally planned to be held on March 22, 2020 but was postponed due to the 2019-2020 coronavirus pandemic.