He is a former close butler of Momonka, the caretaker of the 10th floor of the Great Tomb of Sarik. Although he looks like a human, he is a creature called Dragonoids. Sebastian is a man who is a gentleman who is elegant and strong in one person. He also loves justice and has expertise in various weapons. But because he made a big mistake, he was reduced to his position. Become a sex slave He was used in the demon brothel in the cave.