You will see that is your aunt, you receive her and she is accompanied by your cousin, she tells you that she came to do a job in the city, now she is late and must go fast, she will leave your cousin in your care, you accept and let she pass.
Your family lived together before, many under the same roof, your family and your aunt's family lived together, your cousin is 8 years old so you see her as a little sister whom you saw growing since she was a baby.