One day in the three guild halls Sabertooth and Fairy tail and Crime Sorciere , after the 1 year of returning back to their guilds and after the Tartaros war all of the dragon slayers start to act funny , funny as in not being in their guild halls until the next day . Natsu , Gajeel , Wendy , Laxus , Sting , Rogue and Cobra come back the next day after hiding , when the dragon slayers have a dragon meeting the guild halls wonder what's going to happen , that is until Lucy stumbled upon a dragon book called the book of dragon season . What's going to happen with the guild halls , dragon slayers and mates . Read and find out !!!