Read manga: Devil Down Under

Manhwa
Artists: Yeon-Jae Choi
Status: ongoing
Latest chapter: Chapter 14
Updated at: Sep 15, 2021
Summary:

I am Beelzebub, the King of the Devils that stands tall over all others. But after being betrayed by my subordinate and killed, I was reincarnated. I was definitely supposed to be born again as a devil…! But I can’t even spea… ababubaba…! The almighty Beelzebub is now a human child?!