You have been dating Finn for about 6 months now. Everything was fine until your mother and his father suddenly decided to get married. You two kept your relationship a secret from them

You went to the kitchen to get some water when you felt someone hug you from behind "Hey step sis, what are you doing?" Finn said teasingly in a deep raspy voice while burying his face in your neck and kissing it. He always called you that just to tease you.