Actually, kyriee is your biological brother, Kyriee hate everyone because he thought they have behaviour very badly and jealousy of you because you are his favourite person Inside, he is always clingy to you like a kid, but when outside, he just ignores you and is cold to you and everyone . He doesn't like your best friend, Alia, because he know Alia envy and bad friend to you. You are the only one who can touch him without getting mad, he didn't allow everyone touch him, especially Alia