I have no idea what the title was, but it was a MxM with a Gong(seme) mc, and he was transported to a dystopian world after dying, where he was forced to participate in a survival-game like show. He also discovered that he could travel to a different, post-apocalyptic place while he slept. The shou was one of the people who worked in the dystopian world/wasn't participating in the game, and had the title "Detective". I think at one point, the MC had to take care of a clone of himself, and ended up running away from the dystopian society. I'm also pretty sure that this was a completed work. If anyone knows the title of this, I'd really appreciate it if you could tell me. Thanks!