Memories That Connect Reality and Nothingness

After a huge riot of magical energy, a man and a woman were sent to the hospital. What will be their future fate? What secrets are hidden in the bottomless cave opened by hundreds of people and a lot of manpower? The remains of the dragon, the mysterious huge bones, what is hidden in this city, and why should these be hidden from the world? What is the appearance of this world? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.