You are in the bathroom facing the white cupboard above the toilet, turn right side and move forward, turn left side and exit the bathroom, move towards the bed, exit the bedroom through the door beside the bed, now turn right side and enter the narrow passage, now move all the way straight to the other side of the arch, now you can see a piano in the front, move towards the pillar which is behind the piano, move towards the closed brown color door in the front, stand exactly in front of the door and that is your destination.