Koichiro Uno's Wet Strike, is a 1984 Japanese film in Nikkatsu's Roman Porno series, directed by Shūsuke Kaneko and starring Natsuko Yamamoto and Arisa Hayashi.

Similar characters to that in the manga include "Madam Butterfly", a rich snob of a professional tennis player, and Hiromi, her suffering opponent.

[2][4] Kōichirō Uno's Wet and Swinging was Shūsuke Kaneko's directorial debut.

He turned his early success in the Roman porno / pink film genre into a mainstream directorial career.

[5] Kōichirō Uno's Wet and Swinging was released on DVD in Japan on October 21, 2005, as part of Geneon's first wave of Nikkatsu Roman porno series.