Ashihara debuted the manga in Weekly Shonen Jump magazine in 2013, and Shueisha will publish the 21st volume on December 4.
When it resumed, the manga ran for five issues in Shueisha’s Weekly Shonen Jump magazine before moving to Jump SQ. in December 2018.
The manga had resumed in October 2018 after being on hiatus since November 2016 due to Ashihara’s poor physical health.
Viz Media publishes the series simultaneously in its digital anthology version of Weekly Shonen Jump, and it published the 19th volume in print on October 1.