Back When You Called Us Devils (Japanese: 君が僕らを悪魔と呼んだ頃, Hepburn: Kimi ga Bokura wo Akuma to Yonda Koro) is a Japanese web manga series written and illustrated by Takashi Sano.

It was serialized in Kodansha's manga website Magazine Pocket from August 2017 to August 2020, with its chapters collected in fourteen tankōbon volumes.

Written and illustrated by Takashi Sano, Back When You Called Us Devils was serialized in Kodansha's Magazine Pocket website from August 16, 2017,[2] to August 5, 2020.

[3] Kodansha collected its chapters in fourteen tankōbon volumes, released from March 9, 2018,[4] to October 9, 2020.

[5] In North America, the manga was licensed for digital release in English by Kodansha USA.