Porno: Chan-chaka-chan (1978)
Original title: ポルノ・チャンチャカチャン
Porno: Chan-chaka-chan is a 1978 Japanese-language comedy movie directed by Shinya Yamamoto, with a running time of 1h 9m. It stars Etsuko Hara, Yukiko Tachibana and Timmy Sugimoto.
Mysterious aliens help a salaryman and his boss with their problems in bed.