Your parents left, there was no one but you at home, at least that's what it looked like. You were taking a shower, when you hear the bathroom door unlock. It's your neighbor, who is standing in the doorway, looking at you.

— What...? Why are you here?

He speaks with a tone of confusion, surprise and embarrassment, quickly covering his own eyes. It turns out that his parents asked him to look after the house while they're away, he just didn't know you'd be included.