One Day, Natsu and Happy go to a mission without Lucy to surprise her and give her the jewels. But then when they came back, Lucy and everyone else discovers a "little" surprise from Happy and Natsu. Natsu accidentally ate a Time Mushroom after completing their short mission. Since stubborn little Natsu doesn't want anyone but Lucy to take care of him, Lucy and Happy become the little Dragon Slayer's babysitter. Cuteness and Nalu all the way, and with a few chapters. peace (^_^)V