Some of the events that Ryuuzou has appeared in are as follows.

2010 02.21	[18:00] Basara Fes. 2010
2011 01.03	[13:00] Basara 5th Anniversary
2011 06.12	[13:00] Sengoku Basara -The Last Party- seiyuu talk show Sunshine 60
2011 07.17	[13:30] Sengoku Basara Basara Matsuri 2011