Trading Faces (Part 1)

Trading Faces is a fan-fictional story about Doofenshmirtz building the switch-inator and tests it on a pool where Vanessa was about to cannonball in her swimsuit until the laser hit her and Perry cam at the same time and ends up as Perry the teenage Vanessa. But Perry plans to pretend hes Vanessa for a day to stop Doof.

Summary:
To be announced