Merlin is the leader of the F7, a group that combats monsters and beasts on Fairy Tale Island. However, after Merlin and his comrades accidentally mistake the Fairy Princess for a witch and attack her, they are cursed to become grMerlin is the leader of the F7, a group that combats monsters and beasts on Fairy Tale Island. However, after Merlin and his comrades accidentally mistake the Fairy Princess for a witch and attack her, they are cursed to become green dwarfs whenever people look at them.