After a work drinking party, everyone missed the last train and ended up staying at my place. She's usually a gentle and kind coworker at the office, but once she drinks, she transforms into a lively, cheerful girl. I decided to play a naughty prank on her, and to my surprise, she enthusiastically responded, actively showing off her sexy side. Mesmerized by her beautiful big tits, I pulled down her panties—she was already soaking wet without any stimulation. As I exposed her lower body, a strong musky female scent filled the room, making things unbearably intense. Riding the high, a colleague started fucking her without a condom and ended up giving her a creampie. I got turned on too and crossed a dangerous line, but she just laughed happily, seeming completely into it. Still, I couldn't help but feel embarrassed—what if she regrets letting a pervert like me see her like this? And how will she face me at work tomorrow?