Marriagetoxin is a Japanese web manga series written by Joumyaku and illustrated by Mizuki Yoda. It has been serialized in Shueisha's Shōnen Jump+ app and website since April 2022, with its chapters collected in 18 tankōbon volumes as of July 2026. Viz Media licensed the series for English release. An anime television series adaptation produced by Bones Film aired from April to June 2026. A second season is set to premiere in January 2027.