Isekaid into the body of Ben 10, what could go wrong?

Ever wonder what a Ben 10 Isekai story would be like? No? It's just me? Well, you're about to see what's about to become of this. Marcus Decimarxx, a 21 year-old Ben 10 fan has fallen victim to a cancerous fate. When he's healed by Paradox, & then Isekai'd into an 18 year-old Ben's body, & has a randomized set of 10 transformations, what could go wrong? Find out. (OC) (AU) (Isekai)