Happiness
Happiness is a manga series.
In detail
It is recorded as the work of Shūzō Oshimi. Publication is recorded by Kodansha and Kodansha USA Publishing, LLC.
Sources
Each source is named with the standing the house places on it, so the evidence can be weighed rather than taken on trust.
reference work · Reputable secondary · Wikipedia
“Happiness (manga)”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q24197184: Happiness
Consult the source