Cat Shit One (Cat Shit One ) is a Japanese manga written and drawn by Japanese Kobayashi Genbun, first published by Softbank Publishing in 1998, also known as "Vietnam War Rhapsody", with the Vietnam War experience as the background of the anime theme.

Comic plot: The comic plot is three American servicemen The story of three U.S. military men, Potaski, Patch and Lez, during the Vietnam War. These three were part of a reconnaissance team named "Cat Shit One", and the storyline revolves around what the team saw and heard while carrying out their mission. The story is based on historical development, the names of the battles and the leaders of both sides are available in historical records; and the comics are also very specific and realistic in the depiction of weapons or characters, especially among the various ethnic groups, with distinctive differences in the various types of animals expressed.