Furin maruhi kôkai: Hitozuma-tachi no nureba (1997)

AKA: 不倫（秘）公開　人妻たちの濡れ場, 不倫秘公園人妻たちの濡れ場, 不倫マル秘公園人妻たちの濡れ場 | Directed by Sachi Hamano | Country: Japan | Language: Japanese | 60 mins
Cast: : Kyoko Tachibana, Kiyohiko Yamamoto, Tôshi Yanagi, Kozue Aoki, Sayuri Shinohara, Makoto Sugimoto
Subtitles : –

Synopsis (Google Translate)
One day, Kayoko, who lives near the Tama River, picked up a strange bottle in a park along the river. She might have come down the river. Her interest was piqued, and she pulled out a piece of paper inside, where she wrote, “Please contact me, who is living a lonely life underground.” She asked me to put the replies in this jar and keep them in the same place. Kayoko thinks she’s playing a prank, but just for fun she takes the bottle back to her house, where she writes a simple reply and she returns it to the same spot in the park the next day.

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