A devil known by the name “Jashin-chan” is suddenly summoned from Hell into the human realm. The one who summoned her is Hanazono Yurine, a somewhat black-hearted college student living in a run-down apartment in Jinbocho. Though she successfully summoned Jashin-chan into the human realm, she has no idea how to send her back to Hell.

So Yurine and Jashin-chan have no choice but to start living together, but according to Jashin-chan, a summoned devil can return to Hell if the summoner dies. So Jashin-chan’s next action is…

[Source: Crunchyroll]