Some of the tv that Houko has appeared in are as follows.

1998 07.17	Shibuya de Chu	Guest
1998 09.11	Shibuya de Chu	Guest
2000 10.27	Anicom TV	Argent Soma afureco, interview
2019 08.14	Seiyuu x Kaidan "Aka no Kaidan"	guest
2019 08.15	Seiyuu x Kaidan "Kuro no Kaidan"	guest