The Box (itch) (M3rde)

This short horror story is about an ordinary women.

It's a normal evening just like the others. After few minutes someone rings the doorbell. It's a postman with some box. The box looks normal but after some time weird things starts to happen. The box is dissapearing and somehow moving around the house. What is going on?

You have to find out what is happening with this weird box and what is inside...