Fairy Tail Zero

Episodes 266-277 of the anime series following the adventures of a guild of wizards. In these episodes Natsu Dragneel (voice of Tetsuya Kakihara) visits Sirius Island and finds out more about the early life of his first master, Mavis Vermillion (Mamiko Noto). The episodes are: 'The Fairy in Your Heart', 'The Adventure Begins', 'Treasure Hunt', 'Dancing With Blades', 'Moonlit Lake', 'Blue Skull', 'Conveyer of Magic', 'Treasure', 'Law', 'Eternal Adventure', 'Challenger' and 'Message of Flame'.