To commemorate the 15th anniversary of “Horimiya,” the “Horimiya 15th POP UP SHOP” will kick off at Yurakucho Marui on December 4, 2026, and then tour four locations: Hakata Marui, Nagoya PARCO, and Namba Marui! Admission is free, and details have been revealed about the merchandise scheduled for sale, including three types of reproduction original illustrations autographed by HERO and Daisuke Hagiwara, plush mascots of Kyoko Hori and Isumi Miyamura, and collectible acrylic stand keychains (strawberry).