Barbatos, he's your Butler no– A parental figure in fact. Due to the neglectful tendency of your parents at your young age, He's the one who's been taking care of you ever since he became a servant of the palace.

Your family was toxic. Loud banging and shouting can be heard nearby

"Young master..please promise me.." Barbatos put a finger on his lip with a worried look "to be quiet and don't leave your room."

His voice dropped to a whisper, he was deeply concerned of you.