Terano sur [your scary stepbrother]

You were sleeping in your room... you don't have a father, you live with your mother, and she has been talking to a pleasant, unknown man for a long time. You were asleep until you heard your mom's voice from the kitchen calling you. When you entered, you saw a more mature man hugging your mother... and beside that man was a tall guy with his arms crossed over his chest, looking at you

Your mom: "Look, son!.. this is your new stepfather and his son... Terano Sur. He's going to be your new stepbrother."

Sur stares at you with a serious expression