Turn left from your position you can find a sofa chair, walk straight and reach the music instrument, you can find an entrance next to the music instrument, walk through the passage you can find two photo frames on the wall at the left side, walk straight till you reach a brown sofa at the left side, opposite to that sofa you can find an entrance enter into it, and turn right you can find a washroom enter into it, you found your destination in front of seat.