It was a week day, my day off work. No-one else was in, and the house was quiet. I'd been pottering about doing odd jobs to keep myself busy, as daytime telly is boring. I sorted a load of dry washing into piles, and distributed them into my teenage children's bedrooms. When I took the last lot into my eldest's bedroom, I had to walk around her bed and passed the window which overlooked our rear garden to get to her wardrobe. As I walked past the window i caught a glimpse of something from the corner of my eye, so I took a step back and realised it was my next door neighbour Diana i'd seen, out in her garden. She was lying face down on a blanket, at an angle so that her head was facing towards the sun which meant I had a perfect view of her ass from the upstairs window. She was wearing a pair of tight black shorts and a black bikini top.
We'd been neighbours for about 10 years, and had had a few flirty exchanges, usually when she was in the company of her mum, and a few conversations about our children (hers were teenagers too) but not as much as i'd have liked due to her arse of a husband. He was self-employed but quite lazy, and when he had no work on he was usually in a foul mood, this compounded by Diana passing her exams late and now working in a school as a headmistress, which meant she earned a lot more money than he did.
I moved away from the window to start folding the clothes. I would leave them on the bed for daughter to put away herself, she preferred that so she could leave her favourites in easy reach. I couldn't help but pause after folding each item to glance back through the window. I had just folded the last and looked down again and Diana had stood up, turning slightly has she did. The bikini top was doing just enough to stop her breasts spilling out, barely covering her nipples. She'd picked up some sun cream which had been on a small table that had been by her head, under the table was a small drinks bottle, on the top she had put her phone at an angle so she had probably been watching something on it. It was sheltered from the sun by a facecloth, presumably to stop it overheating in the sun, and a second facecloth where she had been wiping beads of sweat from her face.
She poured some sun cream out and started to rub it into the small of her back and then the top of her thighs. She kept stopping to try to pull the shorts up and cover as much skin as possible, and after a while presumably gave up as she pulled down the zip front and dropped the shorts to the floor. Keeping her legs straight she bent right over and pulled the shorts from her ankles. I had a great view of the curves of her ass which was now covered by a bikini bottom which matched the top not just in colour but barely covering any of her cheeks. I wasn't complaining and my cock certainly wasn't has I felt it stirring in my shorts.
She started to rub sun cream back into her legs and then across both cheeks, pushing the material aside a little as she did. She was still bending forwards and her breasts were swinging to and fro. It was mesmerising, so much though that I hadn't actually realised I now had my hand in my shorts and was rubbing myself at the beautiful sight in front of me.
Diana lay back down on the blanket and I saw her re-position her phone. She had been watching something on it then. She bent her legs upwards at the knees and the bikini bottoms moved ever closer to disappearing into her crease, so I focused my view there and released my cock from my shorts, starting to wank myself a little faster. She stayed like that for a couple of minutes and then I saw her reach behind her and untie the bikini top. As the bow opened the strings dropped either side and I could see her breasts from underside of her as they were being forced out by her lying on them. She arched her back slightly and in one swift movement pulled the top from underneath her and casually tossed it to where she had put her shorts.
I was a bit disappointed then as I thought she may turn over and free those breasts into my line of vision, but she didn't. I longed to get a better view of them, I guessed she was about a 36D but as i'd only seen them now as she faced away from me, and in her work clothes, it was a total guess. Shortly, almost as a compromise, she reached behind her and pulled the bottoms into her ass crease, so it looked like she was wearing a g-string. Only a small amount of fabric was now on show. She rubbed a bit more sun cream into the now uncovered area, and opened her legs a little more to put some on her inner thighs.
I was getting back into a steady rhythm where something made me stop dead. I'd heard a noise and didn't know what is what, then saw Diana look towards her house. Into view came her husband! Even through closed windows I could hear him moaning about how he'd been to give a quote on a job, and he'd been there for an hour before they told him they were going to look at other quotes. Rather than drop his price he'd stormed off in a mood, and decided to come home. Bad luck for me. I though the show was nearly over so decided to quickly get out my phone to try to take a few snaps, i'd probably never see her with so little on again. Her husband had noticed she hadn't got her top on and had asked why, and she had told him there was no-one about to see here like it, so she had been taking advantage of the day off by topping up her tan. He didn't look happy, but sat down on the grass level with head, facing the same way as she was.