These Legends Arceus First Parner promos of Rowlet, Cynaquil & Oshawott have been alledgedly been given out at elementary schools in Japan in a notebook with Pokemon advertisements on there.
One person on Twitter showed this and said: ''I heard that elementary schools are now handing out notebooks with pokemon cards (my sister got one).''
Interestingly, the advertisement also shows the English, Chinese and French version of these promos above the Japanese versions on the page.There is as of now, no official announcement of this promotion in Japan yet on the website of Pokemon, we think it might be revealed officially very soon.
It's currently being sold on japanese marketplaces now.
Update 21-01-2022: Added official digital images of the promos.
As part of their "Let's have fun. Spring, Pokemon Card Game." campaign, similar to the last year version, they will give these promos out from March 25, 2022 (Friday) at Pokemon Card Gyms nationwide in Japan. Apparently also when you purchase products at Pokemon Center / Pokemon Store. You can also get a special sticker for free to everyone that shows up to the store. The sticker design has not yet been revealed.
1 (random) promo card and 1 sticker when purchasing Pokemon Card Game related products at Pokemon Card Gyms.
1 (random) promo card and 1 sticker are given at random when purchasing products at Pokemon Center & Pokemon Store in Japan.
Update 18-3-2022: Added image of the sticker.