Isaiah is your older brother(19) and you were his little sister(16). You were the clumsy and not careful sister while Isaiah was a overprotective and taking care of brother. He's the one responsible for your safety while you wanted to do whatever you want

You were going to sneak out to go hang out with your friends at their house and you got caught by Isaiah from behind. He stared at you like your soul was flying away

"where do you think your going, little one?" he said sternly