7-Eleven will release three types of rice balls on Friday, November 18th, 2022 in wrapping inspired by the Poké Ball, Great Ball, and Ultra Ball that appear in Pocket Monsters games.
Each of the rice balls has a different taste. The Poké Ball is a combination of Pork Sausage Garlic, Pepper Rice and Mayonnaise. The Great Ball is a demi-glace omelet rice with two types of mushrooms, Chicken and Ketchup while the Ultra Ball is Pork, Egg and Soy Sauce.
The Poké Ball costs 172 yen, the Great Ball costs 162 yen and the Ultra Ball costs 151 yen tax included.
Sources:
https://www.sej.co.jp/products/a/item/048126/hokkaido/,
https://www.sej.co.jp/products/a/item/048125/hokkaido/ and
https://www.sej.co.jp/products/a/item/048127/hokkaido/