A possible concise summary is:
The user wants me to write a summary of a transcript of a video where a person reacts to three horror shorts. The first one is about a man who sees a creepy figure in his room that only appears in his polaroid photos. The second one is about a brother and sister who encounter a mysterious man who can duplicate himself if they look away from him. The third one is about a woman who meets a dead man on the bus who doesn't realize he's a ghost. The person gives his commentary and opinions on the horror shorts and their twists.
Here are some possible key facts extracted from the text:
1. The text is a transcript of a video where the speaker reacts to three horror shorts: Polaroid, Don't Look Away, and Last Bus Home.
2. The speaker gives commentary on the plot, the acting, the effects, and the scares of each short.
3. The speaker prefers horror shorts that involve demons over real world situations.
4. The speaker is impressed by the twist in Last Bus Home, where the main character is revealed to be dead.
5. The speaker ends the video by jokingly saying that he is in the viewer's house through their device.