Sachiko with big breasts in yellow bikini has legs wrapped around a tall white stud (wearing swimming briefs) in a swimming pool behind her house. In the upstairs bedroom window, a female houseguest in her early 20s wearing just a t-shirt is watching behind a curtain, touching herself with her hand out of sight.
Scene from the story:
"Sachiko's hand must have swept through her hair and it came loose as she thrashed in the water. Now her wet and silky black hair hung down over her shoulders and face, her uptight appearance suddenly replaced by a more sensual look. She looked 10 years younger. As Dan pulled her towards him, suddenly her arms were wrapped around his neck. No, it wasn't just her arms around him. Her legs were wrapped around him too. Her face was close to his as she regained her breath. If Dan wasn't hard before that, I bet my ass he was when his big dick brushed against Sachiko's pussy in her skimpy bikini bottoms and her barely covered tits were pressed against his chest. His hands were under the water, supporting her body. I wondered if his hands were lifting her from under her legs or if he had grabbed her ass instinctively. Either way, she didn't object.
He held her for what felt like ages. They weren't talking any more, just staring into each other's eyes as her panicked breathing eased. They were now no more than a few inches away from a forbidden kiss. It looked like one or both were slowly grinding against each other under the water.
... Fuck it! I pulled down my panties and my right hand moved to my pussy."