The model room was designed around the three keys concepts of Softness, Lightness, and Delicateness, which represent the comfort of being enveloped in a sense of weightlessness. Softness is expressed through the use of soft colors, details with soft shapes, and soft materials. Lightness is expressed by light textures and curved shapes that give the feeling of floating. Delicateness is expressed through the use of delicate patterns and pattern designs that give a sense of smooth textures. By creating a soft atmosphere in the entire space through a mixture of materials and details that create a softness woven into a classic and calm design, we have created a gentle light sensation, which is the atmosphere that we want to express. The concept of this project is to create a gentle floating atmosphere like a softly floating balloon.