Chapter 1: An Unknown Being and A Wave of Unstable DNA Rupture.

(A Loud house x Ben 10 Ultimate Alien crossover)

Ben fights an unknown being who then causes a DNA rupture in the Ultimatrix, Sending a massive wave to transform half of the population into aliens. New foes emerging and mindless aliens wrecking havok, Ben 10 teams up with Lincoln and the Loud Sisters as Lisa replicates Ben's watch to create an omnitrix for each of her siblings (sans lily) Now they must protect royal woods and possibly the world.

(Louds will be aged up a bit. Pairings: Lincoln x Ronnie, Lynn x Francisco, Luna x Sam, Luan x Benny, etc.)

(Disclaimer: I DON'T OWN LOUD HOUSE OR BEN 10, ONLY THE STORY IDEA AND OCS)