Rainy night - Osama Al-Muslim

The novel "Rainy Night" by writer Osama Almuslim comes as a continuation of the writer's unlimited creativity to present a very short novel with no more than 160 pages. Its events revolve around a girl who left her town and decided to travel for study and to improve her social relationships after being surrounded by her father's personal guards. It rains heavily, and she heads to her house, listens to her favorite program, and suddenly hears faint knocking on the door, then a strange shadow appears to her, and the story begins. The novel is full of touching and sad events with a new character you never expected at all. Who is she?