To celebrate the 10th anniversary of “P-Maru-sama.”, the pop-up shop “P-Maru-sama. 10th Anniversary Aniva~sari~ Pop-Up Shop!” will open at Yurakucho Marui on October 17, 2026, and at Namba Marui on October 31! Original merchandise such as plush toys, mini-figure keychains, acrylic stands, and art frames will be available. Postcards will be offered at the event, and a special bonus—a Hyakumen-sou card—will be included with online purchases.