The narrator tells us that if he ever leaves the game, he'll have to pay "a high cost" . That's right, he has to pay a "high cost" to stay in the game. The narrator says that since the day he first started playing, the guy has rarely come to see him anymore. One day, he looks even more wealthy. He even drives a fancy sports car. He doesn't explain what he's up to. So the narrator decides to go to the guy's house to find out what's going on. He finds out that the guy is renting an apartment in the same building as the one he rented before. He knocks on the door and finds no one there. He's just trying to be nice to him, but the guy keeps avoiding him. He says that he is the sister of the guy