Pleasant House Escape

The concept of the game is to escape from the Pleasant house. In this story, there is a house. The house looks very beautiful. Assume that, one day you have been trapped in the house by unknown people. Your mind says ,that you want to escape from the house immediately. But you didn't have any source to open the door. So use your intelligence to find the hidden objects and solve the puzzle to find the source and escape from the house.