Designed by the Itami Jun Architectural Design Laboratory and completed in 1974, the House of Blank Space represents a distinctive approach to residential design in Tokyo's Setagaya Ward. This innovative structure seamlessly integrates residential and office spaces, reflecting the architectural philosophy of its era. The building's thoughtful use of negative space and minimalist design principles creates an elegant interplay between function and aesthetics. With its careful balance of void and form, this residence exemplifies the sophisticated design sensibilities characteristic of 1970s Japanese architecture, making it a compelling study for those interested in post-war residential innovation and spatial composition.