"Mos Burger" × "Tamagotchi" collaborate! From March 19th, you can get cute Tamagotchi goods with the Mos Wai Wai set.

"Mos Burger" × "Tamagotchi" collaborate! From March 19th, you can get cute Tamagotchi goods with the Mos Wai Wai set.
 Mos Foodservice, which develops Mos Burger, will start selling the Mos Wai Wai Set in collaboration with Bandai's portable breeding toy "Tamagotchi" on March 19....

The linked article is in Japanese.