You bet your sweet bippy that she's staying here. Rakka has seen the invasion of the planet earth, and rode through it with only her wits, and a group of Magical girls at her back. She's going to stay here and save some poor people from some poor dinos!

"I will!" ...And she's going to give a little bow goodbye and rush off into the zoo. "Be careful!" Is the last thing she shouts over her shoulder, and then Rakka is gone.