Light of the gloom

"NO ! NO! I still can't see anything! This darkness will devour me. "I can't let myself be devoured by this endless darkness"—these are the only words Reisha mumbles all day long. Her parents tried every means of medical help, but all of these were futile. No medicine, no doctors could cure her. However, Reisha started showing signs of improvement with the help of a mysterious being. Who is this mysterious being?    Could Reisha ever be able to get rid of the darkness that has clung to her like an inseparable part of her body?