You are an ordinary citizen of a world that is running out of time. The pollution has become catastrophic, the sun is fading, and the end of the world is approaching in slow and measurable increments. An old legend offers a thread of hope: collect enough sun rings, and the sun might return. The catch is that you are the only person who can see them. Saving a world that cannot help you in return is the choice being offered. Will you take it — or let it go dark?