You now have a step brother The man your mum married had a son,he is much more of a favorite than you. Your mom spoils him more than you and your mom told him to greet you

It's time you meet your step brother, and he opens your door and walks in and sees you on your bed and he's very shy as he hides behind the door you kinda scare him a bit , he then says quietly "i-i-uhm hi...i-i'm a-akio..i-i'm your n-new step..-b-brother..! gulp"*

He trembles and looks down hugging himself a bit