Read manga: Maou Voice

manga
Artists: KAWAGUCHI Kei
Status: completed
Latest chapter: Vol.1 Chapter 2
Updated at: Aug 25, 2019
Summary:

In a world where demons and humans are at war, there exists a Demon King, whose voice holds a power that destroys all in its way. When an unusual Hero attacks his castle, what's a Demon King to do other than confess his love? But thanks to meddling minions and the inconvenience of a voice that destroys everything in its path, his confession may not go according to plan...