The sister next door forcibly barges into my room and says, ``I've lost my key, so let me go into your uncle's room!'' and starts looking at the manga and games in my room without permission. And her panties are fully visible! No, no, this is bad, I thought, but I was still fully erect. When he noticed my lower body, he suddenly approached me while grinning, "Uncle. Do you do naughty things too?" If someone said something like that to me with a super cute look... Even though I thought it was no good, I entered into a very erotic 3P!