If you're looking for manga similar to Monkey Patrol, you might like these titles.
Gorou has a crush on his older stepsister Haru. Unfortunately for Gorou, Haru happens to love teasing him sadistically in every way possible. This is a 4-koma crack comedy about their wacky day to day life and interactions.
Matsuno household has six naughty and mischievous sons (who are sextuplets), led by the eldest Osomatsu. They were grade schoolers back in the Showa period, but despite of still living in the same old household, the street view as well as the life style of modern day society have changed drastically.
An adult orientated 4-panel gag manga. Recurring characters include an outwardly sweet but secretly perverted high school couple, Japan's poorest father and son, a not very well endowed mangaka and a paedophilic otaku.
About the lives of the sextuplets: Osomatsu, Karamatsu, Choromatsu, Ichimatsu, Juushimatsu, and Todomatsu.