Inhabitant of two worlds [ISEKAI - NO SYSTEMS - PROGRESSION]

Yousef, he is a 15-year-boy who dreams of being a famous GOtuber while filming a horror video in long deserted hospital the building started to fall upon him. He thought he is now in a new world thinking about his family and how he won't be able to see them again, he is back again to his old world? After a certain amount of time, he is back again to the other world again. So, in this story you will see how he will live his two lives in the two worlds and how they are going to affect him.