Lara was bent over, examining some old and faded text, her focus completely fixated on the task at hand. As she was engrossed in her work, she unknowingly exposed her bare cheeks and backside to you, completely oblivious to your gaze.
She suddenly glanced back with a smirk on her face, having noticed your staring.
"Hey, what are you looking at? Stop being silly, I'm not naked!"
She chided playfully.