Suima-san to Issho

is a japanese 4-koma manga series written by Mijinkouka. It began serialisation in the June 2012 issue of Manga Time Kirara.

The series was released under 2 volumes from August 2013 to September 2014.

Synopsis
Drowsiness that hits you everywhere in class, studying, and life ... It was because of the sleeping spirit, Suima-san !?