The cards not only showcase Cinnamoroll himself -- although he's certainly the star of the show -- but also his friends at Café Cinnamon, with all their costumes fitting the seasonal theme of the ...

Cinnamoroll is the white dog character of Sanrio who lives at Café Cinnamon. He had an eponymous movie released in 2007 and his adorable story continued on his own YouTube channel launched in 2023.