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

1995.10.21	It's Say You! vol 2 VHS (COVC-4614)	Talk
1995.12.21	It's Say You! vol 3 VHS (COVC-4643)	Skit, Talk
1996.04.21	It's Say You! vol 2 LD (COLC-3190)	Talk
1997.12.16	Sentimental Graffiti Summer Concert	Song, talk
1998.01.31	Sentimental Graffiti Memories of Summer Concert	Song, talk
1998.10.01	SG Girls 12 Alls Last Concert video	Song, talk
1998.10.21	SG Girls 12 Alls Last Concert LD	Song, talk
2000.09.01	SG Girls' Live Memorials (COBC-4038)	Song, talk