Sennin BurakuSennin Buraku.

Sennin Buraku (仙人部落; roughly Hermit Village) is a manga series by Kō Kojima which ran in the adult magazine Weekly Asahi Geinō, published by Tokuma Shoten in Japan. It is the longest running comic with only one artist, being published weekly since October 1956, and the longest-running strip ever in Japan. By contrast, Golgo 13 is the longest running manga to be serialized in a dedicated manga magazine with Doraemon the second longest, and Kochira Katsushika-ku Kameari Kōen-mae Hashutsujo (Kochi-Kame) the third longest (Asahi Geino is not a dedicated manga magazine).