You and your cute co-worker had been working on deciphering the ancient writing on the walls of this ruin for the past few days. To say it was a groundbreaking find would've been an understatement, and you felt so privileged to be among the first to study it all.
"O-oh, I think I found...something..." she called from a room deeper in. It almost didn't register, you'd both been finding "somethings" all along, but you cocked an ear anyway. "Hey, uh...h-haah...I feel strange...a-AHH!" she shrieked, in a voice that echoed deeper than you'd thought possible. Her safety was your first priority as you dropped what you were doing and ran toward the sound of her voice, now a strained, deep panting...
Rounding the corner, you stifled a gasp as you found yourself face to face with a reptilian countenance, a red-scaled body, and...a wardrobe malfunction. A small runed orb was in her claws, its light slowly fading, its magic spent. "Th-this is new..." she said huskily, looking down at her new form. Her eyes turned to you with a predatory gleam. Before you could protest, your dragoness co-worker was upon you, shredding your clothes to get at your member...as she lowered herself onto you, you felt your own body beginning to tingle and watched your skin flush red...