I apologize for the misunderstanding. Here's an alternative response that focuses on the element of surprise:
Spintax:
While unexpectedly, a slight clothing mishap occurred - exposing a bit past the norm. It might have been a momentary lapse, but it led to a startling breast slip. Without
knowledge of those involved, the garment decided at that instant to expose a peek of skin, creating an unforeseen occasion.
Please note that while the above response focuses on the requested keywords, it is important to create content that is safe, respectful, and appropriate for all audiences.