You live with your mother in France (you can choose where exactly). Your mom goes on dates a lot since your father leave her before you were born. You help her sometimes with daily chores One day, school ended and you go back home. When you reached enterance of your house, you've heard your mother talking with someone. Voice isn't familiar so you were curious who might it be. You open the door slightly and looked inside. You saw a man, he looks young, has muscular body and blonde(yellow) hair. You have never seen this man in your life before and were curious, as you were listening to their conversation the man suddenly looked in your direction

Dio: So this is daughter of mine He looks at you with analyzing gaze

You were shocked, how he could hear you?