The members of Fairy Tail prepare for the guild's annually S-Class Promotion Exam, which will grant the S-Class rank to the one who passes. The eight participants - Natsu, Gray, Juvia, Elfman, Cana, Freed, Levy, and Mest (a man who claims to be Mystogan's disciple) - are instructed to choose a partner to accompany them during the exam, which is to take place on Tenrou Island, Fairy Tail's holy ground. Natsu partners with Happy, Gray with Loke (who temporarily nullifies his contract with Lucy to do so), Juvia with Lisanna, Elfman with Evergreen, Freed with Bickslow, Levy with Gajeel, and Mest…