Escape from Yew Tree Cottage

You and your friends decided to go to the mountains and spend the entire vacation. You rented a house called"yew". The most interesting thing started as soon as you crossed the threshold of the cottage. Your friends vanished into thin air, and the door slammed shut. You are very scared, but we need to get together and find a way to open the door. If you will quickly find out, there is a chance to save friends. Good luck!