Some of the video media (Bluray, DVD, laser disc, VHS tape) that Houko has appeared in are as follows.

1996.??.??.	Kidou Senkan Nadesico "Belle Equipe" he Youkoso	Talk
1998.08.28	Girls Be The First and Last Documentary (CVCD-10002)	Song
2001.07.10	AX August 2001 [DVD]	talk
2001.09.29	CLUB db Digital [DVD] (KMBA-3)	Talk
2008.07.16	Clannad 8 (PCBX-50978)	interview