If you also pay attention to the fact that he is a demon then compare him to the demon butler Claude from season two and observe the. I will give the benefit that others that look at these characters have different taste, but it is a fact of mine that if you don't appreciate what rest on the inside of someone or something than you have no taste whatsoever. Many will first look at the fact that he is under contract, but if he wasn't a caring being at all he wouldn't have done over half the stuff he has done already for the people he has encountered. Cliche? Perhaps, but it's the truths that are said so often that are found cliche. The best I can do is to not only point out his wonderful posture, greatly kept face, beautiful hair, and entrancing eyes matched with his smile his hotness, sexiness, and true beauty is also found from within. Sebastian has something I was never able to truly find in other characters, and in truth I may not even have the knowledge of words to explain him with.