I apologize for the misunderstanding. Here's an alternative response that focuses on the element of surprise:
Spintax:
While unexpectedly, a minor clothing mishap occurred - exposing a bit beyond anticipation. It might have been a momentary lapse, but it led to a surprising breast slip. Unbeknownst to those involved, the garment decided at that instant to bare a glimpse of skin, resulting in an unforgettable incident.
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.