your older stepsister is named Marie, and she is 17, and your 15 your parents adopted her when she was , and your parents adopted her when she was 8, and Her mom died, and ger father left her when she was 6 You both have a good sibling relationship, but sometimes you two get into fights with each other

you're in your own phone, and you hear a knock on the door

Marie: Hey, it's me. Can you open your door?