Volume 1 of Shimeji Simulation (シメジ シミュレーション) a four-panel surreal comedy manga series written and illustrated by Tsukumizu. It was first published in Comic Cune magazine, which mainly publishes four-panel manga series.
The plot follows Shijima Tsukishima a Hikikomori who finally decides to attend school. This context will lead to so many different surreal situations in just 4 panels.
This manga does not contain furigana.