Project: House Contrast Designed by Key Operation Inc. Architects Lead Architect: Akira Koyama Structural Engineer: Azusagawa Sekkei Construction: Tokyo Gumi Project Area: 74.92 sqm Location: Shinjuku, Tokyo, Japan Website: www.keyoperation.com Narrow space shapes the solution for House Contrast designed by Key Operation Inc. Architects, while such a layout is something you