Perhaps the landlady is hiding a dead body or something equally macabre in the house. The tenant might start to notice a strange smell or find strange stains on the floor. And as they try to investigate, the landlady tries to stop them in a very threatening way. This kind of discovery and the landlady's reaction would be a huge source of horror in the story.
In a 'landlady sissy horror story', Sissy might have a disturbing past. She could be haunted by something that she then passes on to her tenants. For instance, she might have made a deal with some dark force long ago. As a result, any tenant who stays in her place experiences nightmares and unexplained phenomena. They might see strange apparitions in the hallways or feel cold spots in certain rooms, all of which are linked to the landlady's sissy - related horror.
One possible scare could be a deranged hermit living near the cabin who attacks the visitors. Another is the idea of the cabin being haunted by the ghosts of previous owners who died tragically there.
The scares in the 'the twins horror story' could come from the mystery surrounding their connection. Imagine if their thoughts were being controlled by an unknown entity through their twin bond. They could be made to do things against their will, like harming each other or people around them. And if the setting of the story is a desolate place like an abandoned asylum or a fog - covered forest, the sense of isolation and the unknown can heighten the scares.
One possible scare could be a sudden jump scare, like a hand reaching out from the locker when it's opened.
It could also be that during the delivery, the delivery person encounters some sort of supernatural entity on the road, like a ghostly figure that suddenly appears in front of their vehicle and then disappears, leaving them shaken and scared.
There could be ghosts. Maybe the spirits of villagers who died in tragic ways haunt the place.
One possible scare could be a sudden appearance of a creepy figure. Just as the party is winding down, a shadowy figure emerges from the corner.
The red color of the crayon itself could be a source of scare. It might be associated with blood or danger.
It could be the fear of the unknown. Maybe there are dark shadows that move on their own in the story.
One possible scare could be the appearance of a creepy figure lurking in the shadows of the suburban streets or backyards where Jessica lives.