Katsurō Sakai

Gokuhi: Onna gômon (1968)

Onna yu monogatari (1969)

Nedoko-tsuma (1971)

Hentai-shiatsu-shi: Shikiyoku no kyôen (1971)

Young sex: Rankô shori (1972)

Onsen porno chitai (1972)

Ichiyazuma no negoto (1972)

Secret High School Girl: After School Activity (1973)

aka: Maruhi joshikosei: kagai circle

Nippon sex Manyûki (1973)

Poruno da yo! Zen'in shûgô: Maruhi waisetsu shûdan (1974)

Semi-document: Occult Sex (1974)

Maruhi tsuiseki repôto: Shoya no seitai (1974)

Molester Train (1975)

aka: Chikan densha

Semi-dokyumento Nippon chikan go-jû-nen-shi (1975)

Semi-dokyumento: Zoku nyotai no shinpi (1975)

New Widow's Boarding House: Renting the Inner Room (1975)

aka: Shin mibôjin geshuku: Oku no ma kashimasu

Amai taiken: Aijin kankei (1975)

Jôen yobai hiwa (1975)

Chikan ryôin chikatetsu (1975)

Aoi sukeban: Nureta seifuku (1975)

Poruno repôto: Kinpatsu perm (1976)

Maruhi yobai: Goke korogashi (1976)

Toruko midare-bana (1976)

Niizuma no wananaki (1976)

Zankoku bakuekiden (1976)

Semi-dokyumento: Kankô basu nure nure jakku (1977)

Tôkyô neon chitai: Josei jishin de go shidô itashimasu (1977)

Chikan shintai kensa (1977)

Niizuma no nokezori (1977)

Ekimae fudôsan: Bijo mo assenshimasu (1978)

Mibôjin geshuku: Norinige (1979)

Gekisatsu! Nihon no kinbaku (1980)

Semi document: Tsubo saguri (1980)

Jogakusei geshuku: Uredoki (1980)

Mibôjin geshuku: Hatsu nurashi (1980)

Mibôjin geshuku: Anomichi kono michi oshiemasu (1980)

Nawa de okasu (1980)

Molester and the Female Teacher (1981)

aka: Chikan onna kyôshi

Lecherous Flower Train (1981)

aka: Kôshoku Hana Densha

Nure hada irezumi o shibaru (1982)

Shojo bôkô: Sakareta niku (1983)

Irezumi onna o shibaru: Hebi to botan (1983)

Groper Train: Wedding Capriccio (1984)

aka: Chikan densha: Chinchin hassha

Wakai kajitsu wa muitekue! (1984)

Sanjigen tôshi: Sex ultra eye (1984)

Kimi ni bara-bara (1984)

Otoko yakata ni yasha ga iru (1984)

Seifuku kankin bôkô (1986)

Homo kyura wa hakketsu ga o-suki: Zorome o nerae (1986)

Suzy Asuka: Kinbaku no mai (1986)

Hikaru shônen (1989)

Kimi to boku (1989)

Cruel Torture

aka: 日本残虐女拷問

Irezumi, ai, rabu

aka: 刺青・愛・乱舞

Jokosei hana hiraku 17-sai

aka: 女高生花ひらく17才

Secret Flesh Torture Rope

aka: 秘肉なぶり縄