Films written by Mamoru Watanabe
Zeppin tsubo awase
1977No ratings yet
Niizuma no nokezori
1977No ratings yet
Mibôjin geshuku: Tadanori
1978No ratings yet
Shojo zankoku: Ubuge
1981No ratings yet
Wakazuma kairaku lesson: Toriko
2001No ratings yet
Watashi wa osowaretai!
1979No ratings yet
Virgin Rope Makeover
1979No ratings yet- No poster
Profound Experience: Sucking the Pussycat
1978No ratings yet 
Stepmother's Secret: Son's Caress
2002No ratings yet
Treasure Ship: Latitudes of Lust
2014No ratings yet
Hentai kinbaku chôkyô
1985No ratings yet
Bizarre Rose Hell
1979No ratings yet- No poster
Hentai sex: Watakushi torokeru
1980No ratings yet - No poster
Mazo reido: Torawarete
2004No ratings yet 
Hard rape: Susuri naku hitozuma
2003No ratings yet