Hatoyama House is a contemporary dormitory designed by renowned architect Ryuji Fujimura of RFA, completed in 2019. Located in Hatoyama Town, Saitama Prefecture, this residential facility exemplifies modern architectural principles applied to communal living spaces. The building showcases thoughtful design considerations for student accommodation, integrating functional layout with aesthetic sensibility. Fujimura's approach demonstrates how contemporary architecture can create inspiring environments for residents while maintaining practical efficiency. The project represents an important contribution to institutional architecture in Japan's regional areas.