Thirdplace 6 is a contemporary mixed-use development completed in 2023 in Seoul's Seodaemun-gu district. Designed collaboratively by Park Changhyun of A Round Architects and Nakatsugu Hisatoshi with Uno Yuri of Nakatsugu Architecture Design Studio, this innovative structure seamlessly integrates commercial, residential, and office spaces. The project exemplifies modern Korean architecture's approach to urban density and multifunctional design, combining diverse programmatic elements within a cohesive architectural vision that responds to contemporary city living demands.