This is a monochrome photography style with lens flares, light leaks, multiple exposures, and distress. It wasn't intended to be a horror style, but without direction many of the subjects can look creepy. This LoRA can look quite different depending on the checkpoint it's combined with.
To enhance or tweak the effect, you can try adding these keywords to your prompt:
style of experimental photography
style of holga photography
light leaks
double exposure
monochrome