Danshi Koukousei no Nichijou

Danshi Kōkōsei no Nichijō (男子高校生の日常 Daily Lives of High School Boys) is a slice-of-life manga series written and illustrated by Yasunobu Yamauchi that ran from 2009 to 2012. A 12-episode anime adaptation produced by Sunrise aired in 2012. The series is known for providing comic insights into the 'ordinary' lives of a group of high-schoolers.