Move to Fanfic section this Apps so hard to use

Story about a guy from our Earth suddenly got Reincarnated or Transmigrated into Douluo World/Soul Land, he got a system and mission to get Harem full of Goddess of many man from world to world. Start with Douluo World/Soul Land, let's see the Future Harem God to save all goddess from the MC of every world of Manga, Manhua, Manhwa, Movies and Anime Creation is Hard and this is my First Novel so forgive me if there some mistakes cause English not my first language, Hope you Guys enjoy it