Dragon's mate or Queen dragon slayer risses[Fairy tail fan fic]

Onze in year dragons and dragon slayers are mature enought or just nature takes over them they go in to mating season. For every dragon and dragon slayer it might be in diferent time. Begining of mating season might be just hanging around their so chosen mate, but latter it cames time to mark their mate .
Then dragon gives mark to their mate,mate becouse same element dragon, but what happens then dragon slayer marks their mate...