The Hot Babysitter

Natsu and Lisanna have a bad break up, and Natsu can't stop thinking about it. He doesn't eat, sleep or move at all. So, Gray decides it's time for a back-up plan, and places an add in the newspaper: "Babysitting, reward: 20,000J" and Lucy decides to take on the job! -NaLu, GrayZa, maybe something else. Rated T for bad language. [COMPLETE]