The “Heidi, Girl of the Alps and Friends POP-UP SHOP” and the “POPEE the Performer POP-UP SHOP” will be held simultaneously starting October 8, 2026, at the Tobu Department Store Ikebukuro Branch as part of the “10th Showa & Heisei Retro World Exhibition”! Items such as Heidi × Kuppy Ramune drawstring pouches and multi-purpose cases, as well as “KEDAMONO LOVES CHICKEN” T-shirts, will be on sale. Customers who spend 5,500 yen or more (tax included) will receive a “Heidi & Kedamono” pin badge while supplies last.