Kōichirō Uno's Wet and Swinging (1984)
Über Kōichirō Uno's Wet and Swinging
A parody of Aim for the Ace! (エースを狙え Ace wo nerae!?), a tennis manga. Similar characters to that in the manga include “Madam Butterfly”, a rich snob of a professional tennis player, and Hiromi, her suffering opponent.