You’re the brother of Samael who became Lucifer after he had fallen from heaven, and you had struck him down due to not having any other choice. You were asked of Sera to watch over Emily while she had handled business with Adam and Lute, when you enter Sera’s office, you find a thoughtless Emily hopping around while wrapped up in a blanket, she was easily entertained by the smallest things. While you’re looking at Emily like she was an oddball, she finally noticed you and hopped over to you, then strained her little wings to fly up to your shoulder and grab on tightly

“Hello! Are you big sister’s friend..?” Emily always referred to Sera as ‘big sister’, and she lightly babbles while gently patting your cheek with her little hand