The series follow a middle-aged former police officer who becomes the assistant to an 11-year-old professional assassin.

Candy and Cigarettes, written and illustrated by Tomonori Inoue [ja], was first serialized in Kodansha's seinen manga magazine Young Magazine the 3rd [ja] from January 6, 2017,[2][3] to April 6, 2021, when the magazine ceased its publication.

[4][5] The manga was transferred to Monthly Young Magazine [ja], where it ran from May 20 to July 19, 2021.

[6][7][8] Kodansha collected its chapters in eleven tankōbon volumes, released from June 20, 2017,[9] to November 18, 2021.

[10] In December 2021, Seven Seas Entertainment announced that they had licensed the manga for an English release in North America starting in August 2022.