Katsurō Sakai

Hometown Porn Explorations: Groper Summer Festival

1979

Hometown Porn Explorations: Groper Summer Festival

1977

Cruel Torture

Groper Night Train

1977

Groper Night Train Genzo Arata

1977

Bizarre Rose Slave

1977

Kill the Flower Bud!

1976

Cruel Bondage Picture Legend Maeda

Jokosei hana hiraku 17-sai

1972

Jokosei hana hiraku 17-sai

1968

Absolutely Secret: Girl Torture

Chikan no kisetsu

1968

Chikan no kisetsu

1986

Irezumi, ai, rabu

Secret Flesh Torture Rope

1985

Secret Flesh Torture Rope

1981

Kōshoku hana densha Takahashi

1976

Niizuma no wananaki

1976

Toruko midare-bana

Groper Ferry

1976

Groper Ferry

1976

Semi-dokyumento: Maruhi onna niku ichiba Toshiya Kawana

Blue Sukeban: Wet Uniform

1975

Blue Sukeban: Wet Uniform

1975

Chikan ryôin chikatetsu Sentaro Manabe

1975

Passionate Night Visit Secret Story

1975

Semi-dokyumento: Nippon chikan go jû-nen-shi

1975

Female Eroticist: Encyclopedia of Love Affairs Salesman

1975

Môretsu poruno rettô Secretary-General of the Evil Party

1974

Maruhi tsuiseki repôto: Shoya no seitai

1974

Poruno da yo! Zen'in shûgô: Maruhi waisetsu shûdan