A collaboration between “Momopea Berry”—a unit featuring Momoka Sakurai, Arisu Tachibana, and Risa Matoba from *The Idolmaster Cinderella Girls (DereMas)*—and Motomachi Doria will take place at 27 locations nationwide from November 20 to December 20, 2026. At the three locations in Yokohama, doria dishes, desserts, and drinks inspired by each of the three members will be available. Customers who order from the collaboration menu will receive a coaster, and newly illustrated merchandise featuring the members in their dresses will also be on sale.