Fundoshi Keiji Ken-chan to Chako-chan

Overview

Raunchy comedy starring the duo of a brilliant inspector Ken-chan and a rookie detective Chaco-chan of the Nose Curve Police Department. It was published as one of the featured works at the launch of "Super Jump", being the author's first work written for a seinen magazine. After Super Jump became an independent monthly magazine in the fall of 1988, the author had started serializing his signature series Tar-chan in Weekly Shonen Jump, leading to this series becoming an irregular serialization thereafter, while occasionaly also having cameos of characters like Zhen, Anabebe and Tar-chan himself.

Source: AniList