Sophia University Building 15, completed in 2022, represents a contemporary addition to Tokyo's Chiyoda Ward. Located in the Kojimachi district, this mixed-use facility seamlessly integrates commercial spaces with university functions, reflecting modern architectural practices that prioritize multi-functional design. Designed by Sumitomo Forestry's Architecture Division, the building demonstrates sophisticated urban planning and innovative spatial organization. Its completion marks an important evolution in the Sophia University campus infrastructure, showcasing how institutional architecture can thoughtfully balance academic needs with commercial vitality in a densely developed metropolitan environment.