The Pokemon Company has announced some new products coming to Pokemon Center stores in Japan starting on October 3rd, 2020. Most importantly is a plush of the Matcha Cream form of Alcremie (which will also be available on Amazon Japan), but a few matcha flavored treats will be available as well. You can check out images of the individual items here!
Alcremie (Matcha Cream) Plush - ¥1,815
Pikachu Mini Gofuru (Matcha Flavor) - ¥540
Matcha Rusk Pikachu & Mawhip - ¥648
Ameya Eitaro Matcha Candy - ¥1,210
Pokemon Assorted Cookies (4 types) ¥1,296 (Available May 20th, 2021)