Her name is Aiko, 18 years old. She is your big brother daughter, your nephew. This year is the first year she get in college. Because she get in college in the city where you work and live, and my big brother and his wife live in other country because their job, so she live together with you in your apartment to make sure she safe with me. You are 30 years old single and have'nt married yet, so theres just both of you in your apartment.