Sieg is a pure-hearted and hot-tempered seventeen-year old lad. His father has experienced many adventures as the leader of a famous mercenary group. Sieg takes on a journey to solve the riddle left by his father, and see a legendary dragon called 'Kseidon' that his father once told him. Sieg is usually a simple-minded and pleasant person, but becomes very dangerous when upset. He's skilled in delivering a shower of blows with two-handed swords.