Nori is a dragon slayer at fairy tail, fairy tail goes to the Guild resort, where all guilds come to relax and take a day off. Soon the dragon slayers at the resort start acting strange, there being overprotective over some people, they growl around people and it's strange. But what they don't know is that at a certain point of the year it's mating season for dragons. But when mating starts they meet an "old friend" of Nori's. She promises that she'll make sure nobody dies. Can she keep it?