★ 3.0 Film
Tokyo Emmanuelle
1975
Same creator (Akira Kato); both explore softcore and pink film
★ 3.7 Film
Confession of a Female College Student: Red Temptress
1980
Same creator (Akira Kato); both explore softcore and pink film
★ 3.8 Film
Love Beast: Red Lips
1981
Same creator (Akira Kato); both explore softcore and pink film
★ 4.7 Film
Momoe's Lips: Love Beast
1980
Same creator (Akira Kato); both explore softcore and pink film
★ 2.0 Film
Mibôjin geshuku: Tadanori
1978
Both explore softcore and pink film; same era (1978)
★ 2.0 Film
Mibōjin geshuku: Shitamo kashimasu yojōhan
1977
Both explore softcore and pink film; same era (1977)