Extreme Makeover: Momoka Edition

We meet Taruru, one of Tamama's martial arts students, who lands on Earth to visit his number one idol Tamama - who's been secretly feeding a pile of hogwash to the boys back home, embellishing his own image while deflating everyone else around him (except Keroro). Only after Taruru leaves do the three remaining Keronians, the Hinata children, Paul and Momoka gather around Tamama and exact some overdue justice.
Momoka hatches a plan to make herself more physically attractive to Fuyuki, and Tamama enlists Keroro's assistance in this matter. A large number of Kururu's inventions get showcased here (and tested on Giroro, with painful results), but just as Momoka loses all hope, she chances upon something new - Hinata Aki DNA Pills, which prove a little too effective... and not just on Momoka...