Tokumaru Pediatric Clinic is a remarkable residential and medical facility completed in 1979 in Matsuyama, Ehime Prefecture. Designed by acclaimed architect Itsuko Hasegawa, this building exemplifies thoughtful integration of healthcare services with living spaces. Hasegawa's design philosophy emphasizes functional efficiency while maintaining aesthetic sensitivity, creating an environment suitable for both patient care and residential use. The structure reflects the architectural trends of late 1970s Japan, demonstrating innovative approaches to mixed-use building design. This clinic stands as a significant example of Hasegawa's early career work and her contribution to contemporary Japanese architecture.