[Kiwami]

Yes it is exactly that, and no offence WhiteRanger, but this is what I don't want to see.

Maybe Kiryu ment the little side-stories that the game tells rather than the manga which is kids playing the game and getting sucked into the arcade machine/serving as ingame avatars to guide their Dragonball characters and summon them via cards.

The manga is basically something along the lines of Gundam Build Fighters, it's set in a universe where Dragonball is also fictional and the Dragonball Heroes arcade game exists, and people fight against each other in a tournament and stuff. They use teams with a theme, like one dude has an avatar of a Freezer-alien and his team consists of the Freezer clan members, or the android guy who fights using the android characters.

The heroes are saiyans in-game and summon the saiyan heroes, Goku and friends.

I liked Gundam Build fighters, because the appeal in this is that you use Gunpla which is already a thing and combined it with the fact that Gundam is also about the machines, so people pilot their favorite mechs and fight against each other. That makes sense to me. Summoning Dragonball characters via cards and let them battle like Pokémon/Digimon doesn’t.