The Kingdoms of Ruin (はめつのおうこく,, Hametsu no Ōkoku?) is a Japanese manga series written and illustrated by yoruhashi.

It first premiered in Monthly Comic Garden in the 5th of April, 2019. The individual chapters are collected and published in tankōbon volumes by Mag Garden. The series was licensed for English language release in North America by Seven Seas Entertainment. The series inspired an anime series by the same name produced by Yokohama Animation Lab. The manga shares a universe (ensemble