Some of the events that Yui has appeared in during the year 2004 are as follows.

2004.08.15	[14:00] Comic Market 66
2004.10.11	[11:00] Dream Party Tokyo
2004.11.21	[16:00] Chara Fes Tokyo CD selling
2004.11.21	Chara Fes Tokyo main stage
2004.12.29	[14:30] Comic Market 67 Hobi booth
2004.12.30	[14:30] Comic Market 67 Hobi booth