Behind the large entrance earth floor, a small multipurpose space that can be used as a reception room was made. By sitting on the edge of the intermediate space, a sense of unity with the entrance hall can be felt, and this reminds us of good old Japanese houses. For the family room on the second floor, instead of chairs or a sofa, a hori-gotatsu (a sunken area for sitting around a built-in table) style table was designed where people can relax while enjoying the gorgeous view of Tokyo Skytree.