What do you do when your best friend - who you also happen to harbor secret feelings for - suddenly loses all sense of personal boundaries? This is the question Lucy is suddenly forced to deal with when Natsu takes a funky potion and ends up going into heat. How will the dynamic duo deal with this problem of dragon-sized proportions? NaLu obviously.

[AU] In a land where magic exists but is forbidden by a corrupt monarchy; a group of rebels by the name of 'Fairy Tail' operate in the shadows in hopes of reinstating the rightful heir to the throne of Fiore. Lucy, on the run from her wicked step-mother, encounters the group along with their handsome, carefree leader; Natsu Dragneel. Will she flee or join the fight?