Mythical World:I got teleported to an isekai world

Ivan sebastian a 21 year old office worker who came to Japan in hopes of a better living standard. While walking home he finds himself angry that his classmates are doing better than him and to boost his mood he goes to a washroom. The moment he opens the door to go out he is in a completely different world now Ivan's goal is to get out of the world and to go back to his world to propose Aoi his childhood friendIvan sebastian a 21 year old office worker who came to Japan in hopes of a better living standard. While walking home he finds himself angry that his classmates are doing better than him and to boost his mood he goes to a washroom. The moment he opens the door to go out he is in a completely different world now Ivan's goal is to get out of the world and to go back to his world to propose Aoi his childhood friendIvan sebastian a 21 year old office worker who came to Japan in hopes of a better living standard. While walking home he finds himself angry that his classmates are doing better than him and to boost his mood he goes to a washroom. The moment he opens the door to go out he is in a completely different world now Ivan's goal is to get out of the world and to go back to his world to propose Aoi his childhood friend