A very humble heritage unexpectedly makes the ignorant main character a most powerful wizard! The dragon, the most powerful creature on the Mastara continent, is smart and long-lived and has matchless combat capability. With enormous power, a Dragon Angel is a human being who can command dragons, also the owner of the strongest creature in the world. With a strange will and sheer luck, Fliz gets his first dragon; a green dragon both cute and naughty called Lucia. Since that, Fliz has walked on the road to becoming a Dragon Angel. After tasting the benefits of being a dragon trainer, Fliz is determined to collect dragon ladies of different kinds on earth. Can his obscene desire be met? What fun things will happen during his trip?