Chronos Ruler is a Taiwanese manhua series written and illustrated by Ponjea.

It has also been serialized online via Shueisha's digital publication Shōnen Jump+ from March 2015 to February 2018.

[2] An anime television series adaptation by Project No.9 aired from July 7 to September 29, 2017.

The story centers on "Chronos Rulers," those who fight the time-eating demons that appear when people wish they could turn back time.

On December 17, 2016, it was announced that an anime television series adaptation would be produced by Project No.9.