The world is quietly changing, and those strange things that people have heard about are gradually appearing around us. Is there really hope in the morning light? Is that lonely night really as quiet and unruffled as in the eyes? When people find that life is decreasing day by day and time and space are disappearing, other lives suddenly appear around them. Fear spreads among hundreds of millions of people. The spreading emotions drown everyone. What are the things around them that can kill people at any time? The unknown mystery is suffocating.