Hell Returns and Destroys All Lords and Demons

"About me, I traveled through time and became the only pure human in a mixed-race family. I was trained by my demon grandfather, angel grandma, dwarf grandpa, elf grandma, half-dragon father, mermaid mother, and after ten years, I was thrown into hell and beat up an ancient dragon. I picked up a god of death as a teammate, and was finally appointed by Archangel Michael himself.