Nichijou (日常 Nichijō, lit. Regular Life) is a Japanese comedy manga by Keiichi Arawi. The manga began serialization in the December 2006 issue of Kadokawa Shoten's manga magazine Shōnen Ace, and was also serialized in Comptiq between the March 2007 and July 2008 issues. An anime adaptation by Kyoto Animation began airing in Japan in April 2011. A PlayStation Portable game by Vridge and Kadokawa Games will be released in July 2011.

Plot:
The series follows the lives of a group of high school students and their school. Various oddities and absurdities abound, such as a robotic girl made by an eight-year-old scientist, a boy who rides a goat to school with his butler, a girl who can procure various guns out of thin air, a cat that can speak and a principal who has wrestled a deer. Despite its bizarre settings and characters, the students still lead normal lives. (Via Wiki)