墨田區
is a Japanese manga series written and illustrated by Kōsuke Fujishima. It was serialized in Kodansha's "seinen" manga magazines "Morning Party Zōkan" and "Morning" from 1986 through 1992. It centers on a fictional police station in Sumida, Tokyo, as its officers tackle everyday criminals while keeping people safe. It mixes both drama and action with some comedy and humor.