Ikimono System

is a japanese 4-koma manga series written by Yuizaku Kazuya. It began serialisation in the January 2013 issue of Manga Time Kirara Carat.

The series was released under 2 volumes from April 2014 to May 2015.

Synopsis
Living thing club. It is a club activity that loses sight of the original purpose of the activity and loosely helps the chores requested by the students. For some reason, the members also have cat ears and doze for most of the day, so they are all cute but strange girls ...