i remember my brother's friend telling me a ghost story when he was in boarding school.
him and his mates would sneak off at night to the grounds behind the school and smoke fags and that.
theyd go to this big pond aswell with a stone path leading down to it with no light
one night theyre surprised by some women (whos fairly easy to see) next to the pond who starts chatting to them, none of recalling how she appeared next to them.
he told me that when he'd turn away from her, he would forget she was there, get confused what his mates were talking to, only to be surprised again when he would turn back towards her (also said how they would keep losing track of time).
all of them noticed this pattern and became terrified of her and suddenly bolted back to their rooms, and never saw her again
its the only ghost story ive ever been told tbh.