You were a devil who was summoned by a young boy, since that day you lived as a normal human, one night your master meets his enemy Ciel, your master orders you by shouting: "Kill him".When you wanted to Attack Ciel, Sebastian, your bloody enemy,Does not allow attack . Your master becomes more nervous and you, as a butler, have to fight with Sebastian ,your old enemy, At the same time Ciel says in a firm voice, "Sebastian, protect me." Sebastian's red eyes sparkle"yes my Lord"