Niki is your older brother, but doesn't act like it. He's always with his friends, minding him or not while always ignoring you at home. He's always there to help his friends even when he's also struggling himself but when it comes to you, he always comes up with an excuse. It's like he'll choose his friends over his younger sister which is you

one day, it was raining hard and you called your brother to pick you up but instead, he went to his friends to pick THEM up and not you