Mushibugyō (ムシブギョー) is a Japanese manga series written and illustrated by Hiroshi Fukuda. A second series, Jōjū Senjin!! Mushibugyō, a retelling of the original series, started in 2011.
An anime television series adaptation premiered on April 8, 2013. It is being simulcasted with English subtitles by Crunchyroll.
Source: wiki
Plot:
"The action story is set in Edo-era Tokyo in the early 1700s. The eighth shogun Tokugawa Yoshimune ordered boxes to be installed so commoners can submit their thoughts. After hearing their voices, the shogun creates a new magistrate unit—Mushibugyou—to protect the people in the heart of the city. Each member is a specialist with unique fighting skills."