User blog comment:Crimson and Darkness/Shin DxD 3 discussion/@comment-185.112.105.215-20191026143505/@comment-2208155-20191026144305

You can see it in wikipedia:

https://en.wikipedia.org/wiki/Yama_(Buddhism)

Seems that is the jananese name of Yama.. He appeared in Dragon ball..

https://dragonball.fandom.com/wiki/King_Yemma