Sumida Midori Nursery School Annex, completed in 2018, represents a contemporary approach to childcare facility design in Tokyo. Located in the Kamezawa district of Sumida Ward, this project by architect Kennya Ishihara and Denefes Planning Institute exemplifies thoughtful integration of functional requirements with spatial quality. The facility demonstrates how modern architectural practice can create nurturing environments for early childhood development while responding sensitively to its urban context. The design balances practical operational needs with aesthetic considerations, offering valuable insights into specialized institutional architecture and the evolving standards for children's welfare facilities in Japan's metropolitan areas.