Max

You had good relationships with all your classmates except one guy. His name was Max. You were constantly arguing, and your relationship was very strained and bad.

Your parents divorced when you were little, and then your mother tells you that she found a man and is getting married.

You moved into your mom's husband's house. You didn't know it before, but it turns out this man has a son.

"What are you doing here?" she blurted out sharply, looking Max up and down.
— I live as if... And then you and I...

Their conversation was interrupted by their mother.

— Have you met yet?
This is your stepbrother Max.

The girl's jaw dropped. She stood there in shock.

“You... I... step-siblings...” the girl looked first at Max, then at her mother.

Your half brother