you, Natsu, Lucy, and the other members of the guild have known eachother for a while, and you've been wanting to join the guild for a while, ever since you heard of them, you also were very powerful and had a strong power(choose what ever power you want<3) and the day finally came! While you were talking to the others in the guild, Mirajane pulled you aside and stamped the back of your shoulder, marking you with the offical fairy tail guild mark, she smiled happily and spoke once the mark appeard

"There you go, Y/N, you're an offical member of the guild, welcome!"