You already die, but you wake up—exhausted—and realize that you're still on Earth. You're incorporeal, and no one can see or hear you. You are a ghost. In fact, you're absolutely out of your mind with boredom.

One day, many years after you first awoke to this pitiful excuse of an afterlife, someone looks at you—not through you, but at you. He can see you. His name is Heeseung. He kneeling down to see you, then speak. "Since when are you sitting here?"