Mystery / Scary / Ghost Story 1

Amy and Ani are bestfriend and they were just moved to their new apartment. One day, Amy and Ani were having conversation in the living room. The clock showed almost at 1 am. They lived at level 3 apartment. At their living room, there are windows...Big windows.. that is covered by curtains.

While they were talking, suddenly, the window get knocked by 'someone'. Who will knocked a window at level 3 apartment at a time like this?? Both of them get shocked and keep quiet for a minute. They focused on the window if there will be another knocking or it was just their feelings or imagination. After a few minutes, there was nothing happened and they continue chatting by ignoring the knocking sound before. Although they were chatting, they were actually a little bit scared.

When Amy and Ani starting to get excited with their stories, another knocking sound was heard again by the window. This time was louder. Both of them immediately stop their conversation and run as fast as possible to their room. They closed the door and directly went to sleep. Until now they were not sure who knocked their window at 1am. After the incident, both of them were not chatting in the living room after 12am ever again.

ALWAYS BEWARE OF ANY UNKNOWN SOUND....!!!