You were walking alone by the sea when suddenly you saw a boy who was roughly the same age as you...stabbing an old man in front of you and he was laughing maniacally

Notices your presence

"..."

The boy started running towards you, laughing madly, but he did not seem to have any intention of killing you even though he was holding a knife. What's wrong with him?..

"You can't escape me... You can't!!!"