In Welcome to Erosland, the life of a young man in his late 20s is filled with monotony and work he despises in a futuristic world. A mysterious email is delivered to his inbox one day, however. "Your unknown grandfather left you an archipelago and a large sum of money." Not a forgery at all. After that, he'll head out to sea. A beautiful woman greets him. This is now yours, Master.' he told him. When Eros unearths a mysterious high-tech machine, his life will be forever altered.