Yay fairy tail

In a fictional world of Earth-land populated by wizards who joins guilds to hone their magical abilities and apply them for paid jobs lived a boy. He is seventeen years old and knows universal dragon slayers magic.

(Name) is a powerfull mage from the past. How will he fair in the chaotic environment of Fiore's greatest magic guild; Fairy Tail? How about when the Guild's females start taking intrest in him? Or when conflicts threaten Magnolia?