>>58401902It's more of a sister/brother relationship than a same property thing. It's like saying someone collabed with superman because they appeared in a batman comic.
Though I guess if we take Nanimon as more than just an in-joke we can conclude that pokemon and digimon canonically share a multi-verse with themselves, tamagotchi, godzilla, medabots, hello kitty, one piece, monster hunter and Harry Potter.
