During the Chunin Exam, Naru Uzumaki ran off in the Forest of Death for hiding her pain. What happens if she saw The Demon who raise her coming from another dimension with a boy with pink hair and can eat fire and his talking blue cat. Natsu/Naru/maybe, Gajeel/(Fem)Gaara and one-sided Naru/Sasu.

When Harry run from Dudley and his gang, he didn't know that his life going to change with a fire breathing new dad, a talking partner and some Dark Wizards to kick their ass. Harry/Daphne/?maybe, Natsu/Mirajane/Erza.