is a Japanese supernatural manga series written and illustrated by Shà «zà  Oshimi. The series is published by Kodansha in Japan and by Kodansha USA in the United States.
Shà «zà  Oshimi began serializing Happiness in the March 2015 issue of Kodansha's shà Ânen manga magazine Bessatsu Shà Ânen Magazine on 9 February 2015. Ten volumes have been released .
Kodansha USA announced their license to the series at their panel at Anime Central on 21 May 2016.