Demons, Angels and Immortals in the Changed Modern Era

My name is Kyle and I became the demon king because one day I was sucked into hell and managed to strive to the top... I have a family, one sister and my parents... we live on a planet called earth. Finally after a long a period of time, I manage to find a way out of hell... When I come back, I found out the world has changed.... Dungeons appeared 150 years ago... “Wait...are my parents still alive?...” After reuniting with my parents and sister... wait... my sister is the most well-known woman in heaven and my parents are immortal.... good grief... Find out about Kyle as he finds about his sister and his parents lives while also trying to live in his new dungeon infested world