“Harry Potter Mahoudokoro,” a store specializing in “Harry Potter” merchandise, will open its limited-time “Harry Potter Mahoudokoro POP-UP STORE in Marunouchi” from scheduled to take place from November 12 to December 25, 2026, in the Atrium on the 3rd floor of the Shin-Marunouchi Building! Exclusive pre-release items and purchase bonuses will be available, and during the same period, the “MARUNOUCHI BRIGHT HOLIDAY”—a Christmas event in collaboration with “Harry Potter”—will also be held throughout the Marunouchi area.