The eerie atmosphere given by the unknown sets an unsettling mood, there is some supernatural element due to us not knowing what the entity that is taken over is also the characters have an unfortunate ending due to them being chased out of their own home. (I hope this helps I’m also taking this story :))
Just be focus and never give up on what you want to achieve. If you want to have a high school diploma but all your focus on it and you will come out successful