A “Monji-ka-ka” pop-up shop will be held starting Friday, September 18, 2026, at AMNIBUS STORE -blue- on the 5th floor of MAGNET by SHIBUYA109! Merchandise based on the “loungewear” concept—including trading glitter pin badges, acrylic stands, and T-shirts featuring original illustrations by the creator—will be available for pre-sale. During the event, for every 2,000 yen (tax included) spent, you’ll receive one random event postcard (out of a total of 7 designs) as a purchase bonus.