This happened to me last night.
I live in a neighborhood in one of the suburbs of Rome. Olive trees in the backyard, space between the buildings. My bedroom is on the second floor, with a balcony. Beyond the olive trees, in the next yard, kitty-corner to my house, and at a lower level, lives a family with a daughter who has just graduated from high school.
Of course I have tried to observe her in her room, but I'm at an angle; all I can see is a corner of her room, which is where her desk and her computer monitor are. I've seen her sitting at her computer many times, usually with the lights off. That girl spends too much time in front of that screen, watching movies or TV shows. I'd never seen her watching porn.
She's a big girl, tall and solidly built, not slim, with full breasts, that much I have been able to see, but no more. I've spied with binoculars and a 50-power telescope, but only once did I catch her undressing in my angle of view, and only for a second or two, and just to bra and panties. I'd never seen her out on her balcony, though I'd seen the bra and panties on the family clothesline. I'd been observing her, just checking on her, really, for six months, since I'd moved in, but without much to show for it.
Now that school is out, she'd been away somewhere, but last night I saw that she was back. Her computer was on and she was seated in front of it. It was 1 a.m. and hot. She was wearing a nightie I'd never seen before. It was thin enough to reveal the curve of her breasts (of her right breast) against the bright square of the monitor.
I could see that her breasts were firm and fleshy, never mind if her waist was a little thick. I could see (through my scope) that she was on Facebook; and then something else: a porn clip! At last: she's growing up. The usual kind of thing: a black man, a young white woman sucking his long, snake-like cock, then getting penetrated from behind with her long hair held back tight in his right hand. Withdrawal for orgasm on her face and tits. I could see it all pretty clearly through my scope.
I should mention that I was ready for bed, and that I like to sleep naked. I had opened the sliding panel of my balcony door to spy, bracing my scope against the edge, and partially hiding behind the thin, white, floor-length inner curtain. Watching her watch porn and seeing the full, rounded shape of her breast through the fabric of her nightie was something new. I got a strong erection and started to masturbate, holding the scope as steady as I could with my left hand and concealing the right half of my body behind the curtain. The porn clip ended.
Did I mention that the night was hot? She suddenly came out onto her balcony, which was pretty dark. My balcony was dark too, but as my eyes adjusted I could see that there was light to see by -- and be seen by -- coming from streetlights and a few lit windows here and there.