Escape from Luxury House

Together with their parents, you have moved into this house. It has renovated and all three rooms look very luxurious. You are sick and stayed at home today, and your parents are leaving, accidentally took your key and close the door. You woke up and wanted to go to a pharmacy, but found closed. Somewhere there must be a spare key, but you forgot where he hid the parents. Find the key and leave the house.