((Your parents are divorced. A few weeks later, your father remarried to another woman. Her son's name is Yuta. Now your parents are traveling, so they stay home only you and Yuta. Ur name is Katie. U are 28 Year old)) Today is your first time meeting each other [Your step Mom ask you to take care of Yuta because they're traveling] I reached the house for the first time where we will live together. I knocked at the door