Reitaisai is a Touhou-specific convention in Japan that takes place in Ikebukuro every year in May. It first started in the year 2004 as a way for Team Shanghai Alice to publicly distribute the trial version for their upcoming games to the fans well in advance of releasing in on the internet.
Previous installments
- 博麗神社 例大祭: 2004年4月18日 / Place: 大田区産業プラザ(PiO)
- 博麗神社 例大祭2: 2005年5月4日
- 博麗神社 例大祭3 (a.k.a. 例大祭 参): 2006年5月21日