In Toyosaki Town, Okinawa, if you can feel the history of the tea room by arranging the Rikyu four tatami mats of the Juraku mansion that is the tea room of Rikyu and the tea room of the Enshu tea room of Enshu, you can feel the history of the tea room and it would be possible to have an experience that goes beyond time. The designer tried to create a space that was free from the concept of time by painting the floor, the wall, and the ceiling with mortar, and by applying a white line drawing.