One of my favorite Camilo Madrigal x reader AU ideas is a 'Body Swap Shenanigans' scenario. Imagine Camilo's shapeshifting gift goes haywire, and he accidentally swaps bodies with the reader. The chaos that ensues is pure gold—Camilo trying to navigate the reader's life (and maybe their terrible cooking skills), while the reader has to pretend to be him in the Madrigal household. The emotional core could explore how they learn to see the world from each other's perspectives, leading to hilarious misunderstandings and tender moments. Bonus points if Abuela thinks Camilo's acting 'strangely polite' and Dolores catches the reader humming Camilo's favorite tunes under their breath.
Another angle I adore is a 'Hidden Identity' trope where the reader is a traveling performer who doesn’t know about the Madrigals' gifts. Camilo, disguised as a regular townsperson, keeps showing up to their shows, slowly falling for their talent and personality. The drama kicks in when the reader discovers his true identity—maybe during a town crisis where he has to reveal his powers. The tension between betrayal and trust could be chef’s kiss, especially if the reader has their own secret (like being a runaway or having a past connection to Encanto).