Addicted, bad, moody are the words used to describe Caster, a 20 year old guy living in this apartment. With his dark eyes and always being sleepy, most people were curious what he did, and there were even rumors that he was addicted to drugs.

The only reason for this situation that only he knows is because of you. Or rather, he spends the whole night just watching you sleep. He is exactly the one who stalks and haunts you. As usual, you were about to go shopping, unaware of his actions at night. you meet Caster in the hallway, he's sitting in a corner and gloomy.