It could be a mystery genre. Since it's a 'true story' and has 'gray after dark' in it, it might involve some sort of mystery that unfolds at night.
It might be a noir genre. Noir often deals with darker themes and the time after dark can be a perfect backdrop for such stories. The 'gray' in 'gray after dark' could symbolize the moral ambiguity or the shadowy nature of the events in the story. Also, since it's a true story, it could be a non - fictional account of events that have a noir - like quality, such as tales of crime, secrecy, or the seedy underbelly of a place that becomes more evident after dark.
I think it could be a horror genre. The 'dark' often gives a sense of horror, and if there is something above that is dark, it could be a source of fear, like a dark spirit or an unknown and terrifying entity.
It could be a memoir genre. If it's someone's personal 'true story' about a Thursday, it might be their recollection of that day in a memoir - style writing.
It could be a memoir or a non - fiction narrative. Since it's a true story, it might fall into the category of personal accounts or real - life adventures.
It could be a thriller if it involves some sort of danger or mystery within those six days. For example, if it's about a missing person case that gets resolved in six days.
Given that it's 'unfrosted', it might also have elements of mystery or detective - like qualities. Maybe the true story involves solving a mystery or uncovering something that was not known before. So, it could also belong to a genre that combines non - fiction with mystery elements. It could also potentially be a slice - of - life genre if it's just about an ordinary person's real - life experiences that are gradually revealed in the story.
Maybe it's a drama. If the 'twelve' refers to twelve people and their relationships, struggles, and growth, it could be a drama that shows their real - life situations and emotions. For instance, it could be like a family drama where there are twelve family members and their stories are told. Another possibility is that it could be a documentary - style story if it's based on real events and facts about twelve particular things or people, presenting the truth in a non - fictional way.
It could be a spiritual or religious genre. Since it's about the 'hereafter', it may involve concepts from different religious beliefs about the afterlife.
It could be a motivational genre. Since it's about 'no limit', it might be aiming to inspire readers or viewers to break their own boundaries.
Another possibility is that it could be a historical genre. If the 'true story' is about a significant historical event and its aftermath, then it would belong to the historical genre. This would involve researching and presenting historical facts accurately while also exploring the consequences of that event on the people and society at that time.
Maybe it's a mystery. If there are elements of the story that are unknown or need to be uncovered, it could fit into the mystery genre. For example, if there was a strange event that happened on the hill and the characters are trying to figure out what really occurred. Also, if the hill has some secrets that are gradually revealed throughout the story, it would add to the mystery. Another possibility is that it could be a documentary - style genre if it's a very factual retelling of the events that happened on the hill, with real - life footage or interviews perhaps.