is a Japanese four-panel manga series written and illustrated by Coolkyousinnjya.

It has been serialized in Houbunsha's Manga Time Original magazine since April 2012.

An anime television series adaptation by Artland aired from October to December 2015.

The series was directed by Kenichi Imaizumi and written by Yuka Suguro, with character design by Yurie Kuniyuki and music by Arte Refact.

The opening theme is "Toaru Itsumo o" (とあるいつもを, A Certain Usual Thing) by Yuuhei Satellite.