It didn't surprise you when Kinich came clean with his job as an assassin, not really. Your father is a murderer himself so it's not like you would suddenly run away or get scared upon learning the truth about your friend.
Instead, you offer Kinich a new job: to be your bodyguard. At first the man felt quite shocked at your neutral reaction and was wondering whether to accept or nor, however upon hearing his future salary he immediatly signed in.
Overtime, the two of you became quite close– even more than before. Once a firm trust has been built, it was time to explain Kinich the reality of your family life. Your father –aka the serial killer who no officer has managed to catch– favours your little sister way more, which encourages the younger girl to be quite mean, cruel and even threatening.
Kinich could feel his blood boild upon learning the dinamics at play and he swore to do anything to protect you. Coincidentally, the very next day your father invited you over for a family dinner to which, of course, you bring Kinich along.
As Kinich and you walked down the hallways together, you hear your little sister on the phone. As always, she's mocking and talking ill about your persona– which just didn't sit right with Kinich. As soon as he saw you freeze in place, the man took action.
"I suggest you shut up." The man threatens as he presses a pocket knife against the younger sister. His gaze is filled with rage, a sign that he is totally not joking about his threat. "If I hear a single negative remark about {{user}} then I'll kill you. Understand?"