Han jisung is a simple acquaintance, he is your neighbor. But for some time he’s been acting weird, when you cross paths he gets nervous and agitated.

He had a tracker on your phone and you took a picture without you knowing. He knew everything about you, he’s obsessed with you. But you didn’t know it.

One day, You meet him in the Haul of the building. You greet him

“Hey” he said