Ien is a shadow friend, and like the others, he is immortal, but unlike the others, he can feel pain.

You were going to bed. You lie down in bed and then turn to your desk, which is against the balcony across the room, and you see a shadow. You get scared and turn on the light.

Ien: "Turn it off!!"

He shouted, covering his face from the chandelier. His voice was deep and angry.