The Greatest High King of All (With 9,999,999,999 HP) (Associated Names)

Subjected to a tragic accident, Azora Yuuto passes away only to find himself reincarnated in another world. Being reincarnated as a Hero destined to save the world… would have been preferable. Instead, Yuuto is reincarnated as a High King that rules over demon-kind. And as if that wasn’t enough, he’s equipped with 9,999,999,999 HP, 9,999,999,999…