Description: This is a continuation of "The Sinking Structure, Clione, and Lost Child -Log1". In Log2, the mystery of the light that illuminates the structure that should have decayed. And the appearance of new characters. There are many events where you can get a glimpse of the origin of this world and imagine what it really is. How do you consider these events? The unraveling truth will be vaguely revealed. That is the biggest key of this Log2.