The Aiku Kindergarten Annex, completed in 1993, represents a thoughtful approach to educational architecture by designer Shūzō Iwamoto. Located in Yasuura, Toyoda District, Hiroshima Prefecture, this kindergarten facility demonstrates the designer's commitment to creating functional spaces suited for young learners. The structure exemplifies 1990s Japanese educational design principles, balancing practical requirements with architectural consideration. Built under the Jōnen-ji School Foundation, the annex reflects the era's emphasis on creating welcoming, purposeful environments for early childhood education. The building showcases the careful attention to detail characteristic of contemporary institutional architecture in rural Japan.