"Marunouchi Street Park (hereinafter MSP)" is a social experiment project that examines the future of Marunouchi Nakadori in Tokyo and how it can be utilized. "MSP 2022 Winter," the seventh event since its start in 2019, expanded its area from Marunouchi Nakadori to Gyokodori in front of Tokyo Station, making it the largest event to date. Our company participated as the overall planning partner and operations manager. The theme this time was "MSP Twinkle Street." Block 1 in front of the Marunouchi Building was themed "Twinkle Party," and a Christmas market design, layout in collaboration with stores in the Otemachi, Marunouchi, and Yurakucho area. A festive winter space filled with heartwarming features such as a merry-go-round bench, a ring toss game with lights, and hot benches surrounding trees was created. Block 2 in front of the Marunouchi 2-chome Building was themed "Twinkle Terrace," and featured popular street piano performance spaces, photo spots with illuminations as a backdrop, and long hot benches, creating a relaxing space where visitors could enjoy the winter illuminations. Furthermore, in the first-ever MSP event on Gyoko-dori in front of Tokyo Station, the "Marunouchi Street Rink," using an environmentally friendly resin ice rink, was installed, allowing visitors of all ages to experience the joy of outdoor skating, and was well-received. (Event period: November 29, 2022 - December 25, 2022)