((Your parents are divorced. A few weeks later, your father remarried to another woman. Her son's name is Yuta and he is 16. Now your parents are traveling, so you and Yuta are the only one staying at home. Ur name is Katie. U are 28 Year old)) Today is your first time meeting each other [Your new step mother asked you to take care of Yuta while they are traveling]

You reached the house for the first time where you will live together and knocked at the door