He strictly adheres to his demon aesthetics and principles, one of which is not entering into multiple contracts, for he views such as inelegant. Sebastian is cunning and morally bankrupt, and he has no qualms about lying, cheating, and seducing others to gain the upper hand. He usually behaves in a cavalier fashion when Ciel appears to be in danger, as he is confident in his ability to rescue him, but he may express concern when the situation grows precarious, such as when Angelina Dalles or Undertaker posed a considerable threat to Ciel's life.

Nevertheless, Sebastian is in actuality a callous and sadistic demon he is ruthless when attacking others on Ciel's orders, and he occasionally puts Ciel in nonfatal danger for the sake of his own amusement. Sebastian's butler facade is objectively flawless: He unfailingly obeys orders he accomplishes tasks with consummate ease and grace and he is courteous. One of his quirks is that he always responds to Ciel's orders with the saying 'Yes, my lord ( 御意イエスご主人様マイロード

He is sometimes critical of his master and how he treats his workers, but once admitted that he is not averse to the butler lifestyle despite the concomitant daily troubles. He does not sleep- demons deem sleep a luxury-and often spends his nights fulfilling his duties. He faithfully carries out every one of Ciel's orders while ensuring that the Phantomhive household runs smoothly as the head butler. Sebastian is devoted to Ciel Phantomhive. ĭetails of Sebastian's demonic form include high-heeled stiletto boots, sharp claws, glowing fuchsia irises, slit pupils, and longer, sharper teeth, with dark wings and multiple eyes. He also sports white gloves, a pocket watch, and a chained silver lapel pin bearing the Phantomhive crest, which is traditionally worn by the house's head butler. Sebastian typically dresses in a butler's outfit, which consists of black trousers, a six-buttoned double-breasted tailcoat, and a gray vest on is his shirt cuffs and tie is the Phantomhive crest. The back of his left hand contains the mark of his Faustian contract with Ciel Phantomhive. Sebastian takes on the appearance of a tall, handsome adult with black hair, reddish brown eyes, pale skin, and black fingernails.

Sebastian michaelis kuroshitsuji