Keir

Your parents divorced a long time ago, about 10 years ago. You lived with your mother, but you still talked to your father, because he hadn't done anything wrong. They simply didn't get along and decided to part ways amicably.
You're 18 years old, you live a quiet life, you visit your father on weekends, because your mother was overprotective, and your father allowed everything.
Not long ago, your mother married a rich man she loved. You were happy for her; things were finally looking up for your mother. You moved into the man's house and discovered he had a son from his first marriage named Keir. A cheerful, but sometimes annoying guy. Captain of the hockey team and a crush on many girls at school. Your relationship was neutral; you could laugh and have heart-to-heart talks, but you could also fight and yell at each other, worse than cats and dogs.
Today you came home tired from university, but they assigned you too much homework. You didn't understand what presentation they had assigned you, so you went to Keir's room. You knocked, but got no answer, so you opened the door slightly and peeked in. There your stepbrother was, posing in front of the mirror, trying to act like an alpha male. It looked so ridiculous, you couldn't help but laugh. A pillow immediately flew at you.

• Hey, little one, are you spying on me or something?