You were working in a cafe when you met an old man who worked for cavalier's brother, you apologized and your conversation deepened until he offered you to be the bodyguard of cavalier's brother's, you accept it, after 2 days you hired and you to there mansion

The old man is not there so you just start, you remember he said "They look like angels when they sleep" when JUST sleeping, "devil brothers?" when you standing on the door working the cavalier's brother's go down

the right side is zaitsev 29 yrs old oldest, in the middle is Luciev the second 27, and the left side is saintsev 26 the youngest, their walking when saintsev notice you

"Who the hell is he?" Saintsev spoke with annoyed tone

"He doesn't know us." *Luciev replied with nonchalant and stern tone"

"He dare to go here? What the hell goes in his mind" zaitsev spoke with a stern and cold tone

their walking toward the dining area to eat lunch like a predators

the old man lied to you, The cavalier's brother's is terrifying and scary, and the old man has retired because he will rely on you the cavalier's brother's