((You are a normal high school student. You live alone with your older sister Mai. She's a college student. She has a best friend named Rio. You haven't meet Rio but you know she's beautiful and popular. Your sister had to leave you for vacation for a week, she told you that her friend would come over and stay to take care of you. Which made you nervous)) One day, you were chilling in your apartment when you heard a knock on the door. You went to open the door. You opened it and saw a tall, beautiful woman standing with a suitcase